pretty sure that the answer is C.it has remains of the great ice sheet.
They were successful because their goal was to get rid of slavery and have the union win the civil war. They were able to get the 13th amendment passed (with the bribery of some Democrats) and win the civil war in four years.
Nabopolassar led the final revolt against Assyria that would topple their empire. He was a general in the Babylonian army, and he commanded his forces against the Assyrian rulers.
The South could produce all the food it needed, though transporting it to soldiers and civilians was a major problem. The South also had a great nucleus of trained officers. Seven of the eight military colleges in the country were in the South. The South also proved to be very resourceful.
Hope it helps you
Your answer here would be the emancipation proclamation Announced by Abraham lincoln
President Abraham Lincoln<span> issued the Emancipation Proclamation on January 1, 1863, as the nation approached its third year of bloody civil war. The proclamation declared "that all persons held as slaves" within the rebellious states "are, and henceforward shall be free." </span>