Final answer:
The colonizationist scheme of the early 1800s was popular among black abolitionists.
Step-by-step explanation:
The statement a. True is correct. The colonizationist scheme of the early 1800s was indeed popular among black abolitionists. Colonizationists believed that free blacks should be resettled in Africa, instead of being integrated into American society. They argued that this would provide black people with better opportunities and protect them from racial discrimination.