What communist leader did the united states try to overthrow in cuba during the early 1960s

The naturalization act affected the political process by

Is this statement true or false? before 1850, workers in american mines, mills, and factories were poorly paid, but their safety on the job was always protected by strict laws.

Acivilization reaches its high point during its stage. a)birth b)growing pains c)adulthood d)senior