The answer you are looking for is B
John Tyler was the first VP to become president after the death of William Henry Harrison.
Slavery and royal rivalries. In the following decades, the Kingdom of Kongo became a major source of slaves for Portuguese traders and other European powers. ... A common characteristic of political life in the kingdom of Kongo was fierce competition over succession to the throne.
The Kongo king played a primary role in the highly centralized political and social structures. He retained the right to appoint and remove officials, but his authority was checked by the council of elders and the traditional rights of clan chiefs.
Answer:
There were man ways in which the Africans tried to resist European imperialism. The most common ones were refusing to trade with them, not to create political relations and sometimes even to cooperate with some, so they could create a quarrel between European forces.
Explanation:
In the 19th Century the whole Africa was in the hands of European forces. Under the pretext that they are trying to civilize them, they completely took control over their natural resources. Africans tried to resist, even started wars, but didn't had enough means to fight them. That is why most of them were deliberated after World War 2.