Which region of Nigeria was known for its active involvement in long-distance trade during the pre-1800 period?

A.

Sahara Desert

B.

Niger Delta

C.

Lake Chad Basin

D.

Benue River Valley

Correct answer is B

The Niger Delta region of Nigeria was known for its active involvement in long-distance trade during the pre-1800 period. The region's location along the Niger River made it a hub for trade and commerce.