What ocean is found on the east coast of the united states and the west coast of some european and african countries

Toward the end of the roman empire, what caused a decrease in the use of coined money tell me now

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?

Which of these was not a component of the american system? a) protective tariff b) internal improvements c) universal manhood suffrage eliminate d) the 2nd bank of the united states