Why did so many Northerners oppose the Dred Scott decision? They believed that all African Americans should be citizens.
They were concerned that laws prohibiting slavery in the North might be overturned.
They believed the decision would lead to war

#1 im pretty sure its a.

he was in office from 1929 to 1933 and served as a reform governor, promoting programs to combat the economic crisis besetting the united states at the time. in the 1932 presidential election, roosevelt defeated republican president herbert hoover in a landslide.

explanation:

very carefuly thats what i say