The action lowered morale. this did not lower morale as many common folk did not understand the need for ports and thought themselves self sufficient.
The answer is going to be c. Populism
I'm not sure but here are some things europeans take from Africa and I hope this counts
Africans were either captured in warning raids or kidnapped and taken to the port by African slave traders. There they were exchanged for iron, guns, gunpowder, mirrors, knives, cloth, and beads brought by boat from Europe. When Europeans arrived along the West African coast, slavery already existed on the continent.
Their goal was to get rid of black people
The American economy had yet to fully recover from Great Depression when the United States was drawn into world war ll in December 1941 because of this agonizingly slow recovery the entire decade of the 1930s in the United States is often referred to as the Great Depression
