By the 1720s, which of the following was an important difference between northern and southern colonial societies? A) The South had become a slave society, whereas the North was a society with slaves.
B) There was more economic opportunity for new arrivals in the southern colonies than in the northern colonies.

The South had become a slave society, whereas the North was a society with slaves.

Explanation:

All the south side was just slaves. That was their own land. The North was the middle class who could afford  to higher the slaves.

he British promised the Native Americans that they would control the expansion of settlers into Indian land.