<span>The practice of a successful political party giving public office to its supporters so it would be B.
</span>
The reason is to limit the freedom of African Americans and ensure their availability as a cheap labor force after slavery was abolished during the Civil War.
I'm pretty sure it's c but don't quote me on it
Blockades blocked the south from getting any supplies or weapons. They were surrounded and could not keep a fair fight. Lee knew this, thus leading to the surrender at Appomattox Courthouse.