In the first half of the 1800s, roughly how many african american slaves were forced to march from the virginia region to the deep south where they were sold to cotton planters?

1 million African American slaves were forced to march from the Virginia region to the Deep South where they were sold to Cotton planters.

Explanation:

The cotton gin was invented in 1793, which increased the demand for slaves in cotton plantations in the Deep South.

Over 1,000,000 slaves were sold from states such as Virginia and Maryland and forced to migrate to the Deep South.

So the answer is roughly 1 million African American slaves were forced to march from the Virginia region to the Deep South where they were sold to Cotton planters.

length of the cultivating season was not a problem of new england agriculture