How did the invention of the cotton gin affect slavery in the united states
a there was a forced migration of slaves from the south to the north
b slave owning cotton planters were gradually forced to sell their plantation
c more slaves were purchased work on cotton plantations in the south
d to reduce need for labor and cotton plantations led to a decline in slavery
e slaves were moved from cotton plantations to sugar plantations

the reform movements that arose during the antebellum period in america focused on specific issues: temperance, abolishing imprisonment for debt, pacifism, antislavery, abolishing capital punishment, amelioration of prison conditions (with prison's purpose reconceived as rehabilitation rather than punishment), the humane treatment of animals, the humane and just treatment of native americans, the establishment of public institutions for the care of the destitute, orphans, blind, and mentally ill, the establishment of public schools, the abolition of tobacco use, vegetarianism, health reform, homeopathic medicine, woman's rights (including, at first, especially the establishment of a woman's right to own property apart from her husband and her right to sue for divorce), and the amelioration of labor conditions (including higher pay, the right to form unions, the right to strike, and the demand for limits on the number of work hours, and safe working conditions).

explanation:

the correct answer is b