Here are the answers to your questions:
-
Why did the possibility of adding new states often cause arguments in the government?
B) The issue of whether the state would allow slavery was controversial. -
Why did Southern states begin to secede after Abraham Lincoln was elected president?
A) They believed he threatened the institution of slavery. -
John Brown's raid on Harper's Ferry and "Bleeding Kansas" were both controversial events because they
A) pushed the country closer to civil war. -
The Thirteenth (1865), Fourteenth (1866), and Fifteenth (1869) Amendments ended slavery, made African Americans citizens, and
B) granted African American men the right to vote. (Note that the Fifteenth Amendment specifically granted voting rights to African American men, while the Thirteenth and Fourteenth addressed slavery and citizenship.) -
What did the Missouri Compromise accomplish?
C) It allowed Missouri to enter the Union as a slave state and Maine as a free state. -
To protest British taxes instituted under the Stamp Act and Townshend Acts, colonists
B) boycotted British goods.
If you have any further questions or need more clarification, feel free to ask!