In West Africa, the three most important empires were Ghana, Mali, and Songhai, all of which profited tremendously from the trans-Saharan gold trade. ... Their territorial holdings were eventually larger than either Mali or Ghana, until civil war irreparably weakened the empire.
The answer would be B. This concept was mostly because the south was scared of their freedom not being protected.
The Columbian Exchange refers to the transfer of plants, animals, diseases, culture, and human populations across the Atlantic from the so-called Old World to the New World and vice-versa. The term was first coined in 1972 by Alfred W. Crosby in his book The Columbian Exchange . The title refers...
A positive effect of the Columbian exchange was the introduction of New World crops, such as potatoes and corn, to the Old World. A significant negative effect was the enslavement of African populations and the exchange of diseases between the Old and New Worlds.
A dictator is the kind of leader who has total control over a country and is unrestrained by law. The word of the dictator becomes the law and he is the person that cannot be challenged by any person living under his rule. Hitler is a great example of a German dictator. I hope the answer comes to your help.