What impact did the fall of Rome have on the Empire’s cities? A) Rome’s cities gained prosperity and grew in population.
B) The cities were no longer safe to live in.
C) Most cities became centers of learning and trade.
D) Cities combined to form nations.

they united the colonies in their fight against the british.

in 1862, president lincoln's emancipation proclamation opened the door for african americans to enlist in the union army. although many had wanted to join the war effort earlier, they were prohibited from enlisting by a federal law dating back to 1792.

explanation: