Given the question: Information: - Indonesia (or ; Indonesian: ), officially the Republic of Indonesia, is a unitary sovereign state and transcontinental country located mainly in Southeast Asia with some territories in Oceania. Situated between the Indian and Pacific oceans, it is the world's largest island country, with more than seventeen thousand islands. At , Indonesia is the world's 14th-largest country in terms of land area and world's 7th-largest country in terms of combined sea and land area. It has an estimated population of over 260 million people and is the world's fourth most populous country, the most populous Austronesian nation, as well as the most populous Muslim-majority country. The world's most populous island of Java contains more than half of the country's population. - Tonkin ( Vietnamese : Bc K , historically ang Ngoai ) , also spelled Tongkin , Tonquin or Tongking , is the northernmost part of Vietnam , south of China 's Yunnan and Guangxi Provinces , east of northern Laos , and west of the Gulf of Tonkin . '' Tonkin '' is a corruption of ong Kinh ( ) , the name of Hanoi during the Le Dynasty . Locally , Tonkin is known as Bc K , meaning '' Northern Region '' . Located on the fertile delta of the Red River , Tonkin is rich in rice production . - South Vietnam, officially the Republic of Vietnam was a state governing the southern half of Vietnam from 1955 to 1975. It received international recognition in 1949 as the "State of Vietnam" (194955), and later as the "Republic of Vietnam" (195575). Its capital was Saigon. The term "South Vietnam" became common usage in 1954, when the Geneva Conference provisionally partitioned Vietnam into communist and non-communist parts. - Vietnam, officially the Socialist Republic of Vietnam (SRV), is the easternmost country on the Indochina Peninsula in Southeast Asia. With an estimated 90.5 million inhabitants , it is the world's 14th-most-populous country, and the eighth-most-populous Asian country. Vietnam is bordered by China to the north, Laos to the northwest, Cambodia to the southwest, Thailand across the Gulf of Thailand to the southwest, and the Philippines, Malaysia and Indonesia across the South China Sea to the east and southeast. Its capital city has been Hanoi since the reunification of North and South Vietnam in 1976. - Hanoi (or ; Vietnamese: Ha Ni ) is the capital of Vietnam and the country's second largest city. Its population in 2009 was estimated at 2.6 million for urban districts and 7 million for the metropolitan jurisdiction. The population in 2015 was estimated at 7.7 million people. From 1010 until 1802, it was the most important political centre of Vietnam. It was eclipsed by Hu, the imperial capital of Vietnam during the Nguyn Dynasty (18021945), but Hanoi served as the capital of French Indochina from 1902 to 1954. From 1954 to 1976, it was the capital of North Vietnam, and it became the capital of a reunified Vietnam in 1976, after the North's victory in the Vietnam War. - The Gulf of Thailand, formerly the Gulf of Siam, is a shallow inlet in the western part of the South China and Eastern Archipelagic Seas, a marginal body of water in the western Pacific Ocean. The gulf is around 800km (497mi) long and up to 560km (348mi) wide, has a surface area of 320,000km (123,553sqmi) and is surrounded on the north, west and southwest by Thailand, on the northeast by Cambodia and Vietnam. The South China Sea is to the southeast. After reading the paragraphs above, we are interested in knowing the entity with which 'tonkin' exhibits the relationship of 'dissolved or abolished'. Find the answer from the choices below. Choices: - 1902 - 1949 - 1954 - 1955 - 1976 - 2009 - 2015 - 260 - 553
The answer is:
1949