Between 1500 and 1800 what was a main reason europeans did not enter the interior of africa

Muslims control the North Africa during the period of 1500 up

to 1800. They made a barrier to prevent further European exploration from

entering the Africa from the north. However, The Dutch ware still able to move

toward the interior with having South Africa as one of the routes leading to

the East for trading with Asia.

answer; /// i believe its (slavery) to be the correct check luck.

the answer is:

c. economic output