What impact did abolitionism have on the United States?

A it increased the spread of slavery
B it increased tensions between north and south, and would lead to Civil War
C abolitionism had a little impact on the United States

B it increased tensions between north and south, and would lead to Civil War

Abolitionism played a significant role in increasing tensions between the northern and southern states in the United States. The abolitionist movement called for the immediate and complete end of slavery, which was seen as a threat to the economic and social structure of the southern states that heavily relied on slave labor. This ultimately contributed to the outbreak of the Civil War, which was fought in part over the issue of slavery. Abolitionism also helped to raise awareness about the moral and ethical implications of slavery, leading to its eventual abolition in the United States.