To gain wealth, power, and to get profit from trading, such as furs and other goods.
During reconstruction the Southern states needed to be rebuilt. There were attempts to rebuild, revive the Southern economy, and put the South back up to where it had been. The 13th-15th amendments were also created during this time. However, reconstruction ultimately failed as freed slaves were not properly integrated into society and the efforts to reconstruct were not effective
Hitler used the weakness' of the other parties in germany to his advantage. He came to power in Germany just right after the Economic Depression in the United States.
hope that helped!
