In 1862, Congress passed a law that stated

African Americans had to join the military to gain their freedom
African Americans could enlist in the military
Freed African Americans had to serve in the military
African Americans could not enlist in the military

bless you your highness

the tariff was created to protect industry in the northern part of the united states. industries in the north were being driven out of business by imported goods that were priced at a low rate. the goal was to protect these industries   by taxing the goods.

he was able to speed up production of the processing of seeds