How was the united states involved in the past and the internal affairs of cuba and haiti

The Haitian Revolution and the subsequent emancipation of Haiti as an independent state provoked mixed reactions in the United States. This led to uneasiness in the US, instilling fears of racial instability on its own soil and possible problems with foreign relations and trade between the two countries.

when the chinese communist party took power in 1949, it began to build new di and levees to hold the yellow and yangtze rivers back.

an economic of depression