What was the purpose of the american system?

a) to strengthen the power of the federal government and to dissolve the three regions and encourage nationalism

b) to strengthen the economy of each region while ensuring that the federal government would remain strong

c) to strengthen the western economy and ensure that the northeast maintained control of the federal government

d) to ensure the rights of slave owners in the south to buy and sell slave throughout the nation

lee and grant, both of whom held the highest rank in their respective armies, had known each other slightly during the mexican-american war (1846-48) and began their dialogue by exchanging awkward personal inquiries. characteristically, grant had arrived in his mud-splattered field uniform while lee had turned out in full dress attire, complete with sash and sword.

explanation:

answer:

it caused mass african migration, african populations to grow, african empires to topple, and racism against slaves to emerge.