Why did some african americans oppose the american colonization society’s plan for migration back to africa?

some had been born in the United States and considered it to be their Home

The American Colonization Society's proposed the migration of free American backs to the coast of Africa. African American denounced it as the measure represent an escape to slavery instead of avoiding it. Secondly, the majority of the leaders of the society were southerners who want to get rid of free slaves who has seen as a threat to property in the south. Tropical disease was another major problem that was ignored and poor blacks were migrated there.

They might face the danger of heat flares from the sun, a comet, or running out of oxygen. They may even face the danger of extraterrestrial threats.

Explanation:

They can deal with these threats how they do now on Earth. The can map out when a heat flare is most likely to happen, as well as make sure there are regular shipments of oxygen.