Why did some african nations transition smoothly to independence while some experience conflict

Before the civil war, the south’s economy was based on enslaved labor. large cities. immigrant workers. factories.

Why did spanish plantation owners in the west indies begin usine enslaved africans instead of enslaved natives

Why did some citizens of the united states want to annex texas? a.) freedom of religion b.) to expand the cattle range c.) to go to war with mexico d.) manifest destiny