They are bad blacks and should not have owned slaves
Mostly, the Europeans dominated because their numbers or military technology and organization were superior.
Considering the alternatives, the only alternative that represents any sort of military power being evolved with it is:
d. They built infrastructure to keep military units traveling and intimidating the locals.
Also, the British and other countries did build many railroads in Africa.
Answer:
B
Explanation:
Think of it, when you buy a loan, you have a interest rate. You have to pay off the interest rate with the loan. Hope this helps.