Final answer:
The main factor that slowed European colonization of Equatorial Africa during the 1800s was strong resistance from local African tribes.
B) Strong resistance from local African tribes.
Step-by-step explanation:
The main factor that slowed European colonization of Equatorial Africa during the 1800s was strong resistance from local African tribes. These tribes, such as the Zulu and the Ashanti, put up fierce fights against European invaders, making it difficult for colonization to proceed smoothly. Additionally, the harsh terrain and tropical diseases of the region further hindered European exploration and settlement.
B) Strong resistance from local African tribes.
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