Which statement about the northern states in the 1780s is accurate?

A. Their economy was based on agriculture.

B. They had far fewer large cities than the southern states.

C. They generally had less enslaved labor than the southern states.

D. They had very large farms called plantations.

Answer

The accurate statement about the northern states in the 1780s is C.

They generally had less enslaved labour than the southern states.

Explanation: 

In the 1780s, the northern states had a significantly different social and economic structure compared to the southern states.

Thus, option C is the most accurate statement regarding the northern states during the 1780s.