Assertion: discovery | /r/HasSubevent | land expeditions
Facets:
value: in asia
type: LOCATION
value: in africa
type: LOCATION
value: in the americas
type: LOCATION
value: in australia
type: LOCATION
Source sentences:
text: These discoveries led to numerous naval expeditions across the Atlantic, Indian and Pacific oceans, and land expeditions in the Americas, Asia, Africa, and Australia that continued into the late 19th century, followed by the exploration of the polar regions in the 20th century.