This system was known as the triangle trade. Where do you think the name comes from?

What is the main idea of this excerpt? 1.1.3

When president johnson vetoed a law that would extend the freedmen’s bureau, congress reacted by supporting the veto and closing the freedmen’s bureau. writing a new law to show support for the black codes. overriding the veto and expanding the agency’s powers. drafting a law to prevent african americans from voting.

¿why was jackson opposed to the bank? a short answer*