Answer: (A) to give AA the right to vote
Answer:
There was great wealth in the South, but it was primarily tied up in the slave economy. In 1860, the economic value of slaves in the United States exceeded the invested value of all of the nation's railroads, factories, and banks combined. On the eve of the Civil War, cotton prices were at an all-time high.
Explanation:
The Civil War benefited the Northern economy, but it left the Southern economy in absolutely terrible condition. ... The North had a more industrialized economy and therefore benefited from the railroad boom and the manufacturing of wartime products.
One of the most significant challenges is building an airplane had to do with "propulsion", since the technology that allowed motors to have enough energy to lift an airplane into the sky with a passenger wasn't available for most of history.
The answers are: 1. A 2. D 3. A