I am very confused in your question. Could you please explain?
The Europeans in the Caribbean felt the need to bring in enslaved Africans as laborers because the native American Indian workers had become physically weak due to diseases and the Caribbean plantations were in requirement of stronger labor force. The Africans by birth were very strong and they as slaves would perfectly suit the needs of the Caribbean plantations.
The answer would be : The space Race
The space race refer to the competition between the united states and the soviet Union, in order to showed their technological supremacy towards another. The Russians began the space race by launching the Sputnic and the United States counter it with the moon landing in 1969
