Four empires collapsed: the Russian Empire in 1917, the German and the Austro-Hungarian in 1918
That could go both ways, maybe they didnt own a plantation or have use for a slave. But they still could support it. Or, they could be completely against it, and think its completely wrong and dehumanizing, they could help runaway slaves get to the north.
It made it easier & made jobs for the slaves
The Neo-Babylonians are most famous for their architecture
The answer is C for #12 and B for #13
