Who moved to the early americas and were did they move from?

Ssignment 4: contemporary issues in modern police operations and the policing due week 10 and worth 180 points select one to two (1-2) contemporary issues in modern police operations and examine the related law enforcement agencies, change, and efficiency.

The platt amendment of 1901 forbade cuba from entering into any treaties that would allow undue foreign involvement in cuban affairs. this law was passed after the spanish-american war to make sure that european nations weren’t going to get involved with cuba. 1, why might the platt amendment be considered ironic? 2, what reasons would the united states have for not wanting european influence in cuba?

1u. s. history question! question: how did world war ii change the united states' position in world affairs? i need good explanation to support the answer otherwise i get docked points. real answers only ! you! : )