Answer: A
Explanation: Because Lincoln was a Democrat, and it shows that when the North was united they beat the South in the Election.
D he worked writing books and inheriting money but also ran a plantation so thats why I think thats the answer.
Uncertainty because no slaves didn't have rights or a say.
Four empires collapsed: the Russian Empire in 1917, the German and the Austro-Hungarian in 1918
Time-study analysis
Computer-controlled robotics,
GPS device,
assembly lines
