Why were slaves from Africa preferred in North America over other types of forced labor (Native American slaves or European indentured servants)?

Explanation:

It was more profitable to have Native American slaves because African slaves had to be shipped and purchased, while native slaves could be captured and immediately taken to plantations; whites in the Northern colonies sometimes preferred Native American slaves, especially Native women and children, to Africans because ...

b. second continental congress

what was the significance of the plessy vs ferguson ruling and jim crow laws

answer the impact. plessy v. ferguson allowed 'separate but equal, also known as segregation, to become law in the united states