B is your correct answer. Hope this helps :)
Answer:
Slavery in the colonial history of the United States, from 1526 to 1776, developed from complex factors, and researchers have proposed several theories to explain the development of the institution of slavery and of the slave trade. Slavery strongly correlated with Europe's American colonies' demand for labor, especially for the labor-intensive plantation economies of the sugar colonies in the Caribbean, operated by Great Britain, France, Spain, and the Dutch Republic .
Explanation:
Answer:
The South feared it would lose power and influence in the Senate.
Explanation:
if california became a separate state they could choose to be free or slave and they would choose free which would make the free and slave states unequal in the senate and they could lose power and votes which could mean they could vote to make the south free too.