Well for the vice president is to serve as an a act for the presiding officer of the senate,and they also contribute to being a ceremonial assistant,now for the presidents some powers are to be able to veto a law or sign he can also command army or armed forces,and also grant pardons to people.
1. Ok, lets start with Nicaragua. The main reason here for the intervention by the United States was to counter the Soviet influence. The US believed that Sandinista leader was a Marxist and therefore the United Intervened and supported the Contras, various rebel groups that opposed the socialist Sandinista government.
2. In Chile, the United States have been heavily involved in number of elections in the late 20th century. After a socialist leader called Salvador Allende was elected president the US forces have allegedly supported the military coup of the Augusto Pinoche who later became a cruel leader of Chile.
3.Haiti themselves had been in the early 20th century actually under the occupation by the United States which lasted from 1915 to 1934. Haiti prior to that have been embroiled in the bitter civil wars and government changed frequently. Adding to that there was a battle for dominance between American and German interests. After the dictatorship of Jean Vilbrun Guillaume Sam who after the anti-American revolt ordered the execution of 167 political prisoners. He was later lynched by an angry mob for actions. The US saw this as a threat to its business interests and intervened. More recently the US has provided relief support for Haiti after the 2010 earthquake.
When Europeans came to the New World, Native Americans were immediately exposed to fatal diseases that Europeans were immune to but they were not. So, if the Native Americans weren't already dead from smallpox and other deadly illnesses, Europeans' thirst for power would kill them. As the New World expanded Europeans met more Indian tribes and would kill them to pave a way for European colonies.
They faced discrimination in terms of the right to vote, getting jobs, and segregation in schools and other public places
