The answer is ''To exercise diplomacy or force''
Between 1812 and the American Civil war, the Untied States was gradually becoming a major regional player.
It was both growing in Territory as well as the economy.
It was also looking to develop a powerful Navy and gave officers to right to carry out diplomacy with the nations they encounter or use force if necessary.
True 'cause New England had very bad farming land, which was a cause to the Industrial Revolution.
A. Slave Trade seems to be the only logical choice.
The man did not lead an empire like a Muslim leader should have.
German Aggression, Depression, and Conflict of Ideologies.
Hope this helped!
STSN
They had plenty of it available.