How many years passed between american revolutionary war and the civil war?

Prior to which amendment were slaves counted as three-fifths of a personality

Human rights groups in the 20th century worked to: o a. european imperial powers maintain control over their colonies. o b. convince citizens in impoverished countries to embrace nationalism. o o o o c. ensure that people around the world were protected from brutal treatment. o d. weaken the influence of international organizations like the united nations. sub

How long have counties been a part of the government structure of the united states?