What role did black troops play in the civil war

In the war, both sides used African Americans for military purposes; in the South as slave labor and in the north as wage labor and military volunteers. Over 100,000 ex-slaves fought for the Union and over 500,000 fled their plantations for Union lines.

i think it's a)sparta

for the united states of america, 1945 to 1964 was a time of high economic growth and general prosperity. it was also a time of confrontation as the capitalist united states and its allies politically opposed the soviet union and other communist countries; the cold war had begun.

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