By 1860, enslaved peoplemade up almost 85 percent of the population in the Deep South.made up almost half the population in the Deep South.had been part of the American economy for almost a century.were not terribly important to the southern economy.

It seems like you're asking for clarification on the status of enslaved people in the American South by 1860. Here's a breakdown:

1. "By 1860, enslaved people made up almost 85 percent of the population in the Deep South." - This is partially correct. The percentage of enslaved people varied by state. In states like South Carolina and Mississippi, enslaved people made up over 50% of the population, but it did not reach 85%.

2. "Enslaved people made up almost half the population in the Deep South." - This is more accurate. In many Southern states, enslaved people made up a significant portion of the population, in some cases nearly half.

3. "Enslaved people had been part of the American economy for almost a century." - This is correct. The first enslaved Africans were brought to the English colonies in North America in 1619, so by 1860, enslaved people had been part of the American economy for over two centuries.

4. "Enslaved people were not terribly important to the southern economy." - This is incorrect. Enslaved people were a crucial part of the