user: You are a structured reasoning expert tasked with solving problems step by step. 
You first think about the reasoning process in the mind and then provide the answer. The reasoning process and answer should be enclosed within <think> </think> and <answer> </answer> tags, respectively, i.e., <think> reasoning process here </think> <answer> answer here </answer>. 
Given a question and the associated knowledge graph triplets (entity, relation, entity), you are asked to answer the question with these triplets and your own knowledge. 
You can break down the original question into several sub-questions and explore the given knowledge graph to solve them step-by-step. If there are multiple possible answers, choose one as the final answer. 
After thinking, when you finally reach a conclusion, clearly state the answer within <answer> </answer> tags, i.e., <answer> answer here </answer>. 
Question: Where was the Vietnam War located where CO2 emissions per capita was once 1960 metric tons? 
Knowledge Triplets: North Vietnam, location.location.geolocation, m.0wmhy7k
North Vietnam, location.location.events, Vietnam War
m.09y37g1, common.webpage.topic, Vietnam War
First Indochina War, base.culturalevent.event.entity_involved, Ho Chi Minh
South Vietnam, location.country.national_anthem, m.0gm710l
Vietnam War, time.event.included_in_event, 1970s
North Vietnam, common.topic.image, North vietnam
North Vietnamese invasion of Laos, base.culturalevent.event.entity_involved, North Vietnam
Joint warfare in South Vietnam, 1963–69, base.culturalevent.event.entity_involved, Kingdom of Laos
Joint warfare in South Vietnam, 1963–69, military.military_conflict.commanders, m.0b7915n
First Indochina War, time.event.locations, Southeast Asia
m.04z17nj, military.military_combatant_group.combatants, North Vietnam
Joint warfare in South Vietnam, 1963–69, military.military_conflict.combatants, m.0b78bs8
Vietnam, location.location.containedby, Mainland Southeast Asia
m.04yz37j, military.military_combatant_group.combatants, North Vietnam
Ap Lo Gom, location.location.containedby, South Vietnam
Vietnam National University, Ho Chi Minh City, location.location.containedby, Vietnam
m.04zd3yf, military.military_combatant_group.combatants, North Vietnam
Vietnam War, base.culturalevent.event.entity_involved, Kingdom of Laos
Joint warfare in South Vietnam, 1963–69, base.culturalevent.event.entity_involved, Nguyễn Văn Thiệu
Vietnam War, base.culturalevent.event.entity_involved, Thailand
Southeast Asia, location.location.contains, Empire of Vietnam
m.04z0cm0, military.military_combatant_group.combatants, North Vietnam
m.02h77fs, military.casualties.combatant, South Vietnam
North Vietnam, military.military_combatant.military_conflicts, m.04fvjr2
m.04z1mrp, military.military_combatant_group.combatants, North Vietnam
m.0b47hsk, common.webpage.topic, Vietnam War
Vietnam War, common.topic.webpage, m.0b481t3
South Vietnam, location.location.people_born_here, Nathan Pham
Vietnam War, base.culturalevent.event.entity_involved, Cao Văn Viên
War in Vietnam (1954-1959), base.culturalevent.event.entity_involved, Ho Chi Minh
Southeast Asia, book.book_subject.works, Vietnam
South Vietnam, location.location.people_born_here, Ngô Đình Lệ Quyên
Vietnam War, common.topic.image, Vietnamese village after an attack
Ho Chi Minh City, location.location.events, 1963 South Vietnamese coup
Vietnam War, time.event.included_in_event, 1960s
South Vietnam, location.location.contains, Ap Lo Gom
War in Vietnam (1954-1959), time.event.locations, South Vietnam
Vietnam War, common.topic.webpage, m.09xgcz2
1960 South Vietnamese coup attempt, base.culturalevent.event.entity_involved, South Vietnam
Vietnam, location.country.form_of_government, Single-party state
Ho Chi Minh City, location.location.events, September 1964 South Vietnamese coup attempt
Vietnam War, common.topic.webpage, m.0b4887b
North Vietnam, location.location.events, Operation Linebacker II
Vietnam, location.country.administrative_divisions, Quảng Trị Province
Ho Chi Minh City, location.location.events, 1960 South Vietnamese coup attempt
Kim Lien, location.location.containedby, Vietnam
Vietnam War, base.culturalevent.event.entity_involved, Richard Nixon
Vietnam War, common.topic.webpage, m.09wkmg9
South Vietnam, location.location.people_born_here, Jane Luu
Vietnam, location.country.administrative_divisions, Hanoi
North Vietnam, location.location.events, War in Vietnam
Joint warfare in South Vietnam, 1963–69, time.event.included_in_event, Cold War
m.0gx8n8z, military.military_combatant_group.combatants, North Vietnam
North Vietnam, location.location.events, Joint warfare in South Vietnam, 1963–69
Vietnam War, military.military_conflict.commanders, m.07skn34
Joint warfare in South Vietnam, 1963–69, base.culturalevent.event.entity_involved, Viet Cong
North Vietnam, location.location.events, Operation End Sweep
m.09wx9cc, common.webpage.topic, Vietnam War
South Vietnam, location.statistical_region.population, m.0h_3jlb
m.04yz302, military.military_combatant_group.combatants, South Vietnam
Vietnam War, time.event.locations, Laos
m.09xtw5q, common.webpage.topic, Vietnam War
m.04yvfm8, military.military_combatant_group.combatants, North Vietnam
Vietnam War, common.topic.webpage, m.09wmlvm
Vietnam War, base.culturalevent.event.entity_involved, Nguyễn Văn Linh
North Vietnam, common.topic.article, m.0g979
1960, time.event.included_in_event, 1960s
Vietnam War, time.event.locations, South Vietnam
South Vietnam, location.country.form_of_government, Republic
m.0w29j2w, award.ranking.item, Ho Chi Minh
m.0c1qd3v, military.casualties.combatant, North Vietnam
North Vietnam, location.location.events, Operation Chopper
Vietnam War, military.military_conflict.casualties, m.04kb4m4
UH-1combatmission1970, common.image.appears_in_topic_gallery, Vietnam War
Vietnam War, time.event.locations, North Vietnam
m.09wkmg9, common.webpage.topic, Vietnam War
Vietnam, location.location.events, Sino-Vietnamese War
South Vietnam, location.location.people_born_here, Phuong Ngo
Vietnam, location.country.administrative_divisions, Quang Binh Province
South Vietnam, common.topic.notable_for, g.125h4ls67
Vietnam War, base.culturalevent.event.entity_involved, Nguyễn Cao Kỳ
Vietnam War, military.military_conflict.casualties, m.04kb4mq
1960 South Vietnamese coup attempt, military.military_conflict.commanders, m.0kn24yx
North Vietnam, military.military_combatant.casualties, m.04kb4l7
m.09wmlvm, common.webpage.topic, Vietnam War
North Vietnam, location.location.events, Operation Flaming Dart
Vietnam War, military.military_conflict.casualties, m.04kb4kx
War in Vietnam (1954-1959), military.military_conflict.commanders, m.0dh6jtq
m.0b481t3, common.webpage.topic, Vietnam War
m.04z1wm5, military.military_command.military_conflict, 1960 South Vietnamese coup attempt
South Vietnam, military.military_combatant.casualties, m.02h77fs
Vietnam War, book.written_work.subjects, United States of America
m.04z002c, military.military_combatant_group.combatants, North Vietnam
North Vietnam, military.military_combatant.casualties, m.04ml3lw
m.09j4467, military.military_combatant_group.combatants, North Vietnam
m.09xgcz2, common.webpage.topic, Vietnam War
m.09xfyqk, common.webpage.topic, Vietnam War
Southeast Asia, location.location.events, First Indochina War
Indochina Wars, common.topic.notable_types, Event
1963 South Vietnamese coup, time.event.locations, South Vietnam
North Vietnam, military.military_combatant.military_conflicts, m.04yvqp2
Sơn Tây, location.location.containedby, Hanoi
Vietnam, location.location.events, Vietnam War
Vietnamization, time.event.locations, North Vietnam
First Indochina War, base.culturalevent.event.entity_involved, North Vietnam
Laos, location.location.events, Vietnam War
North Vietnam, military.military_combatant.casualties, m.0c1qd3v
Location of Republic of South Vietnam, common.image.appears_in_topic_gallery, Provisional Revolutionary Government of the Republic of South Vietnam
m.0b78bs8, military.military_combatant_group.conflict, Joint warfare in South Vietnam, 1963–69
South Vietnam, location.country.capital, Ho Chi Minh City
m.02h77gp, military.casualties.combatant, South Vietnam
Vietnam War, base.newsevents.photographed_event.photograph_s, Burst of Joy
South Vietnam, location.location.containedby, Southeast Asia
Cambodian–Vietnamese War, time.event.locations, Cambodia
Vietnam War, common.topic.webpage, m.09w6h34
m.07lm3yg, military.military_combatant_group.combatants, North Vietnam
War in Vietnam, base.culturalevent.event.entity_involved, Communism
Joint warfare in South Vietnam, 1963–69, base.culturalevent.event.entity_involved, Cao Văn Viên
Vietnam War, base.culturalevent.event.entity_involved, North Vietnam
Vietnam War, base.culturalevent.event.entity_involved, Lyndon B. Johnson
Indochina Wars, time.event.locations, Southeast Asia
Vietnam War, base.culturalevent.event.entity_involved, Pathet Lao
m.0478plb, military.military_command.military_combatant, South Vietnam
War in Vietnam (1954-1959), military.military_conflict.combatants, m.09j3ckd
Joint warfare in South Vietnam, 1963–69, military.military_conflict.combatants, m.0b78_7h
Vietnam War, common.topic.webpage, m.09wx9cc
War in Vietnam (1954-1959), time.event.included_in_event, Cold War
Vietnam War, common.topic.webpage, m.09w6pvn
Vietnam, location.location.containedby, Eurasia
m.04fvjr2, military.military_combatant_group.combatants, North Vietnam
Vietnam War, base.culturalevent.event.entity_involved, William Westmoreland
m.04yvqm2, military.military_combatant_group.combatants, North Vietnam
Southeast Asia, location.location.events, Vietnam War
North Vietnam, military.military_combatant.military_conflicts, m.062v8cs
Vietnam War, common.topic.article, m.07_nr
South Vietnam, location.location.people_born_here, Andrew Lam
North Vietnam, location.location.events, First Indochina War
South Vietnam, location.location.people_born_here, Siu Ta
Vietnam War, common.topic.webpage, m.0b47hsk
Joint warfare in South Vietnam, 1963–69, base.culturalevent.event.entity_involved, William Westmoreland
Joint warfare in South Vietnam, 1963–69, time.event.included_in_event, Vietnam War
War in Vietnam (1954-1959), base.culturalevent.event.entity_involved, Communism
Vietnam War, military.military_conflict.casualties, m.02h77k6
1960s, time.event.includes_event, Vietnam War
South Vietnam, common.topic.article, m.0g8c4
Vietnam War, base.culturalevent.event.entity_involved, Taiwan
Operation Ivory Coast, time.event.locations, North Vietnam
War in Vietnam (1954-1959), time.event.included_in_event, Vietnam War
Vietnam War, common.topic.notable_for, g.1258vfs7z
Vietnam War, base.culturalevent.event.entity_involved, Võ Nguyên Giáp
m.09w6kz6, common.webpage.topic, Vietnam War
m.09j3ckd, military.military_combatant_group.conflict, War in Vietnam (1954-1959)
North Vietnam, location.location.events, Vietnamization
Vietnam War, base.culturalevent.event.entity_involved, China
South Vietnam, common.topic.image, Trưng cầu dân ý năm 1955 đưa Ngô Đình Diệm lên nắm quyền
War in Vietnam (1954-1959), time.event.locations, North Vietnam
Vietnam War, base.culturalevent.event.entity_involved, Le Duan
Indochina Wars, common.topic.notable_for, g.1s05l55p0
m.04kb4kj, military.casualties.combatant, South Vietnam
South Vietnam, location.country.official_language, Vietnamese Language
Ho Chi Minh City, location.location.containedby, Vietnam
Ho Chi Minh City, location.location.events, Battle of Saigon
m.0cv4v7w, military.military_combatant_group.combatants, North Vietnam
Operation Linebacker, time.event.locations, North Vietnam
North Vietnam, common.topic.notable_for, g.12575ynt8
South Vietnam, location.country.languages_spoken, French
Vietnam War, base.culturalevent.event.entity_involved, Australia
North Vietnam, military.military_combatant.casualties, m.0c1qd3l
Location of Republic of South Vietnam, common.image.appears_in_topic_gallery, South Vietnam
Vietnam War, common.topic.webpage, m.09y37g1
Asian Couture Federation, organization.organization.geographic_scope, Vietnam
South Vietnam, location.location.geolocation, m.09dx4xf
North Vietnam, location.location.events, Operation Ivory Coast
North Vietnam, military.military_combatant.military_conflicts, m.04yvqm2
Vietnam War, base.culturalevent.event.entity_involved, Ho Chi Minh
Southeast Asia, location.location.events, Indochina Wars
1960 South Vietnamese coup attempt, military.military_conflict.commanders, m.04z1wm5
Sơn Tây, location.location.containedby, Vietnam
Vietnam War, location.location.events, Vietnam
Vietnam, location.location.containedby, Asia
South Vietnam, location.location.people_born_here, Tran Dinh Truong
Vietnam, location.country.administrative_divisions, Quảng Ngãi Province
m.04ftqs2, military.military_combatant_group.combatants, North Vietnam
1970s, time.event.includes_event, Vietnam War
m.0b78jlb, military.military_command.military_conflict, Joint warfare in South Vietnam, 1963–69
North Vietnam, location.location.events, Battle of Haiphong Harbor
South Vietnam, location.location.people_born_here, Hubert Vo
War in Vietnam, time.event.locations, North Vietnam
South Vietnam, location.location.contains, Van Tuong
South Vietnam, location.statistical_region.population, m.0h_3jlj
m.04yvh30, military.military_combatant_group.combatants, North Vietnam
m.04yv2ck, military.military_combatant_group.combatants, North Vietnam
m.0c5n9pb, military.military_command.military_conflict, Joint warfare in South Vietnam, 1963–69
North Vietnam, base.schemastaging.context_name.pronunciation, g.125_mlzkn
m.04yz2_y, military.military_combatant_group.combatants, North Vietnam
North Vietnam, military.military_combatant.military_conflicts, m.04ftqs2
Hanoi, base.biblioness.bibs_location.country, Vietnam
Joint warfare in South Vietnam, 1963–69, base.culturalevent.event.entity_involved, Anti-communism
War in Vietnam (1954-1959), base.culturalevent.event.entity_involved, Ngo Dinh Diem
m.04ywmnk, military.military_combatant_group.combatants, North Vietnam
m.09xm1xv, common.webpage.topic, Vietnam War
m.0b79c5w, military.military_combatant_group.combatants, South Vietnam
m.04ftx09, military.military_combatant_group.combatants, North Vietnam
North Vietnam, location.country.capital, Hanoi
War in Vietnam, base.culturalevent.event.entity_involved, Le Duan
South Vietnam, location.location.people_born_here, Hong Le Webb
m.06482w8, military.military_combatant_group.combatants, North Vietnam
Hanoi, location.administrative_division.country, Vietnam
War in Vietnam, base.culturalevent.event.entity_involved, Viet Cong
Vietnam, location.country.capital, Hanoi
Vietnam War, military.military_conflict.casualties, m.04kb4n8
North Vietnam, location.country.form_of_government, Republic
m.0kn24yx, military.military_command.military_conflict, 1960 South Vietnamese coup attempt
Vietnam War, base.schemastaging.context_name.pronunciation, g.125_qxttj
m.0jmy703, military.military_combatant_group.combatants, North Vietnam
Vietnam War, base.culturalevent.event.entity_involved, Nguyễn Văn Thiệu
Hanoi, location.location.containedby, Vietnam
North Vietnam, common.topic.notable_types, Country
Operation Chopper, time.event.locations, South Vietnam
1963 South Vietnamese coup, time.event.locations, Ho Chi Minh City
Vietnam War, base.culturalevent.event.entity_involved, South Vietnam
North Vietnam, location.country.official_language, Vietnamese Language
Vietnam War, common.topic.webpage, m.09w6kz6
Southeast Asia, book.book_subject.works, Vietnam War
Vietnam, location.location.events, Cold War
Vietnam War, military.military_conflict.commanders, m.02h77w4
m.04yvqp2, military.military_combatant_group.combatants, North Vietnam
1960 South Vietnamese coup attempt, time.event.locations, Ho Chi Minh City
Laos, location.location.events, Joint warfare in South Vietnam, 1963–69
War in Vietnam (1954-1959), base.culturalevent.event.entity_involved, South Vietnam
1960 South Vietnamese coup attempt, common.topic.notable_types, Military Conflict
m.0b4887b, common.webpage.topic, Vietnam War
Quang Binh Province, location.location.containedby, Vietnam
m.02h782s, military.force_strength.combatant, South Vietnam
m.04z0sqf, military.military_combatant_group.combatants, North Vietnam
Vietnam War, common.topic.image, UH-1combatmission1970
m.04fts61, military.military_combatant_group.combatants, North Vietnam
First Indochina War, base.culturalevent.event.entity_involved, United States of America
Vietnam War, time.event.locations, Cambodia
Vietnam War, base.culturalevent.event.entity_involved, North Korea
Joint warfare in South Vietnam, 1963–69, military.military_conflict.commanders, m.0c5n9pb
m.09w6pvn, common.webpage.topic, Vietnam War
Vietnam War, location.location.events, Laos
Vietnam War, time.event.locations, Cambodia
Vietnam War, military.military_conflict.casualties, m.04kb4l7
Vietnam War, time.event.included_in_event, 20th century
Vietnam War, base.culturalevent.event.entity_involved, Văn Tiến Dũng
m.04y_39b, military.military_combatant_group.combatants, North Vietnam
Vietnam War, common.topic.webpage, m.09xwgxs
Battle of Haiphong Harbor, time.event.locations, North Vietnam
m.04z0cd1, military.military_combatant_group.combatants, North Vietnam
Indochina Wars, common.topic.image, Tquad
Battle of Saigon, time.event.locations, South Vietnam
Vietnam, location.location.partially_contains, Mekong
m.04z1097, military.military_combatant_group.combatants, North Vietnam
m.07slz04, military.military_combatant_group.combatants, North Vietnam
m.04ftw4b, military.military_combatant_group.combatants, North Vietnam
Vietnam War, base.culturalevent.event.entity_involved, Anti-communism
War in Vietnam (1954-1959), base.culturalevent.event.entity_involved, Le Duan
North Vietnam, common.topic.image, 北ベトナムの位置
Mainland Southeast Asia, location.location.contains, Vietnam
Operation Chopper, time.event.locations, North Vietnam
Quảng Ngãi Province, location.administrative_division.country, Vietnam
Vietnam War, military.military_conflict.casualties, m.043wptp
Joint warfare in South Vietnam, 1963–69, military.military_conflict.commanders, m.0b78jlb
South Vietnam, location.location.people_born_here, Nguyễn Xuân Ngãi
Quang Binh Province, location.administrative_division.country, Vietnam
Vietnam War, military.military_conflict.commanders, m.0478pmb
m.09xwgxs, common.webpage.topic, Vietnam War
Laotian Civil War, base.culturalevent.event.entity_involved, North Vietnam
Van Tuong, location.location.containedby, South Vietnam
m.0b78mbw, military.military_combatant_group.conflict, Joint warfare in South Vietnam, 1963–69
South Vietnam, military.military_combatant.casualties, m.04kb4kj
m.04z0ccf, military.military_combatant_group.combatants, North Vietnam
September 1964 South Vietnamese coup attempt, time.event.locations, South Vietnam
m.09w6h34, common.webpage.topic, Vietnam War
m.0c1qd3l, military.casualties.combatant, North Vietnam
Vietnam War, book.written_work.subjects, Asia
Cambodia, location.location.events, Cambodian–Vietnamese War
1960 South Vietnamese coup attempt, military.military_conflict.combatants, m.04z1wmb
South Vietnam, location.location.contains, Gia Dinh
Vietnam War, military.military_conflict.casualties, m.04kb4p4
Vietnam War, time.event.locations, Southeast Asia
Sino-Vietnamese War, base.culturalevent.event.entity_involved, Vietnam
m.04kb4l7, military.casualties.combatant, North Vietnam
1960 South Vietnamese coup attempt, military.military_conflict.military_personnel_involved, Nguyễn Văn Thiệu
Ho Chi Minh City, location.administrative_division.country, Vietnam
Nguyễn Văn Thiệu, military.military_person.participated_in_conflicts, 1960 South Vietnamese coup attempt
m.04ywvbz, military.military_combatant_group.combatants, North Vietnam
Sino-Vietnamese War, time.event.locations, Vietnam
Vietnam War, military.military_conflict.commanders, m.0478plb
North Vietnam, location.location.events, Operation Pierce Arrow
Joint warfare in South Vietnam, 1963–69, time.event.locations, South Vietnam
Vietnam, book.book_subject.works, Vietnam War
Joint warfare in South Vietnam, 1963–69, time.event.locations, North Vietnam
m.04z15c1, military.military_combatant_group.combatants, North Vietnam
South Vietnam, location.location.contains, Bình Ba
Southeast Asia, location.location.contains, South Vietnam
South Vietnam, location.location.people_born_here, Nguyễn Sĩ Bình
m.04ftw8j, military.military_combatant_group.combatants, North Vietnam
Indochina Wars, common.topic.article, m.05lqwl
Vietnam, location.country.administrative_divisions, Ho Chi Minh City
Joint warfare in South Vietnam, 1963–69, base.culturalevent.event.entity_involved, Hoàng Văn Thái
Vietnam War, common.topic.notable_types, Military Conflict
North Vietnam, military.military_combatant.casualties, m.04kb4kx
Joint warfare in South Vietnam, 1963–69, base.culturalevent.event.entity_involved, Võ Nguyên Giáp
Vietnam War, military.military_conflict.casualties, m.04kb4mf
Indochina Wars, time.event.includes_event, Vietnam War
Vietnam War, common.topic.webpage, m.09xtw5q
Cambodia, location.location.events, Vietnam War
Vietnam War, book.written_work.subjects, Vietnam
Vietnam War, base.culturalevent.event.entity_involved, Francoist Spain
Vietnam, base.locations.countries.continent, Asia
m.04z0z3d, military.military_combatant_group.combatants, North Vietnam
War in Vietnam (1954-1959), base.culturalevent.event.entity_involved, Anti-communism
North Vietnam, location.location.events, Operation Pony Express
Vietnam War, time.event.locations, Vietnam
m.0b78_7h, military.military_combatant_group.conflict, Joint warfare in South Vietnam, 1963–69
North Vietnam, military.military_combatant.military_conflicts, m.04z002c
War in Vietnam (1954-1959), common.topic.notable_types, Military Conflict
Quảng Ngãi Province, location.location.containedby, Vietnam
1960, common.topic.notable_types, Event
m.04kb4kx, military.casualties.combatant, North Vietnam
Vietnam, location.location.time_zones, Indochina Time Zone
Joint warfare in South Vietnam, 1963–69, common.topic.notable_types, Military Conflict
1960 South Vietnamese coup attempt, time.event.locations, South Vietnam
Vietnam War, base.culturalevent.event.entity_involved, Nguyễn Hữu Thọ
20th century, time.event.includes_event, Vietnam War
m.04y_538, military.military_combatant_group.combatants, North Vietnam
Quảng Trị Province, location.location.containedby, Vietnam
North Vietnam, location.location.events, Operation Linebacker
m.0wg12cd, location.mailing_address.country, South Vietnam
South Vietnam, common.topic.image, Location of Republic of South Vietnam
Vietnam War, military.military_conflict.casualties, m.04kb4pq
North Vietnam, location.location.people_born_here, Hanoi Hannah
m.02h77tp, military.military_command.military_combatant, South Vietnam
Vietnam, location.country.form_of_government, Socialist state
North Vietnam, location.country.form_of_government, Single-party state
North Vietnam, location.location.events, War in Vietnam (1954-1959)
Joint warfare in South Vietnam, 1963–69, base.culturalevent.event.entity_involved, Pathet Lao
Cold War, time.event.locations, Vietnam
Gia Dinh, location.location.containedby, South Vietnam
Asia, location.location.time_zones, Indochina Time Zone
m.04yw7ks, military.military_combatant_group.combatants, North Vietnam
Vietnam War, book.written_work.subjects, Southeast Asia
Vietnam War, military.military_conflict.commanders, m.0w5r65c
Vietnam War, base.culturalevent.event.entity_involved, Communism
Vietnam War, base.culturalevent.event.entity_involved, Trần Văn Trà
Ho Chi Minh City, base.biblioness.bibs_location.country, Vietnam
North Vietnam, military.military_combatant.military_conflicts, m.06482w8
Vietnam War, common.topic.webpage, m.09xm1xv
Vietnam War, base.culturalevent.event.entity_involved, Khmer Rouge
m.04y_64x, military.military_combatant_group.combatants, North Vietnam
Vietnam War, time.event.included_in_event, Indochina Wars
War in Vietnam (1954-1959), base.culturalevent.event.entity_involved, Viet Minh
m.04z0df9, military.military_combatant_group.combatants, North Vietnam
Vietnam War, base.culturalevent.event.entity_involved, Ngo Dinh Diem
Vietnam War, base.culturalevent.event.entity_involved, Khmer Republic
South Vietnam, location.location.people_born_here, David Pham
Mekong, location.location.partially_containedby, Vietnam
Bình Ba, location.location.containedby, South Vietnam
Vietnam War, base.culturalevent.event.entity_involved, Cuba
m.09j4462, military.military_combatant_group.combatants, South Vietnam
North Vietnam, location.location.events, Operation Rolling Thunder
South Vietnam, location.country.currency_used, South Vietnamese đồng
1960 South Vietnamese coup attempt, base.crime.crime.victim_s, Ngo Dinh Diem
Southeast Asia, location.location.contains, Provisional Revolutionary Government of the Republic of South Vietnam
South Vietnam, military.military_combatant.casualties, m.02h77gp
First Indochina War, base.culturalevent.event.entity_involved, Võ Nguyên Giáp
m.05cnn5f, military.military_combatant_group.combatants, North Vietnam
Vietnam War, military.military_conflict.commanders, m.02h77tp
m.04ml3lw, military.casualties.combatant, North Vietnam
War in Vietnam, time.event.locations, South Vietnam
War in Vietnam, base.culturalevent.event.entity_involved, Anti-communism
Joint warfare in South Vietnam, 1963–69, base.culturalevent.event.entity_involved, Communism
Vietnam War, common.topic.webpage, m.09xfyqk
War in Vietnam, base.culturalevent.event.entity_involved, Ho Chi Minh
North Vietnam, common.topic.image, LocationNorthVietnam
Ngo Dinh Diem, base.crime.crime_victim.crime, 1960 South Vietnamese coup attempt
First Indochina War, time.event.locations, North Vietnam
Vietnam War, military.military_conflict.casualties, m.02h77gp
Vietnam National University, Ho Chi Minh City, location.location.containedby, Ho Chi Minh City
Vietnam War, base.culturalevent.event.entity_involved, Creighton Abrams
War in Vietnam, base.culturalevent.event.entity_involved, South Vietnam
Vietnam War, base.culturalevent.event.entity_involved, Viet Cong
Joint warfare in South Vietnam, 1963–69, time.event.locations, Laos
1975 Spring Offensive, time.event.locations, South Vietnam
Joint warfare in South Vietnam, 1963–69, military.military_conflict.combatants, m.0b78mbw
m.0b7915n, military.military_command.military_conflict, Joint warfare in South Vietnam, 1963–69
Operation Linebacker II, time.event.locations, North Vietnam
Vietnam Veterans Memorial, location.location.containedby, Washington, D.C.
m.04z002j, military.military_combatant_group.combatants, South Vietnam
1960 South Vietnamese coup attempt, base.culturalevent.event.entity_involved, Nguyễn Văn Thiệu
m.04yzblp, military.military_combatant_group.combatants, North Vietnam
m.04z1wmb, military.military_combatant_group.conflict, 1960 South Vietnamese coup attempt
m.062v8cs, military.military_combatant_group.combatants, North Vietnam
War in Vietnam, base.culturalevent.event.entity_involved, United States of America
War in Vietnam, base.culturalevent.event.entity_involved, Ngo Dinh Diem
m.07llp3_, military.military_combatant_group.combatants, North Vietnam

Answer: Vietnam
Cambodia
Cambodia
Laos
Laos