5. Abolitionists supported what cause? -The rights of all blacks.
-The freedom and rights of blacks and increased rights of women.
-The rights of freedom of blacks.
-The rights of black men.

-The rights of freedom of blacks.

Explanation:

The abolitionists were the group of people who supported the emancipation of black people from slavery in United States.

The movement has began since 1830s, But started to gained the peak of its momentum after the president Abraham Lincoln took the office in 1861. The causes that are supported by the abolitionists actually the main cause of American civil war between the Union (who fight on the abolitionists' side) and the confederate states (who fought against abolitionists' ideal).

In the end, the abolitionist managed to fulfill its ideal. Even though it took hundred and thousand of lives in the process. But those sacrifice paved the path for the abolishment of slavery in 1865.

d) a constitutional amendment

the correct answer is:

b) a rich merchant.