Why were West African kingdoms like Ghana and Mali successful during the Post-Classical period? O They adopted Islam and established trade relations with Muslims.
O They built powerful forts and castles to protect against invasions.
O They grew wealthy controlling routes around the Cape of Good Hope.
O They enslaved people for the Atlantic slave trade with Britain,

i think the answer is b.

impeachment is when a president is committing treason or doing shading acts while in presidendcy therfor he can be impeached   by congress

trumans defeat to eisenhower in the 1948 elections was due to trumans approach and handling of the cold war and the war in korea. trumans approach to communism during the cold war was the principle reason for his defeat. eisenhowers reputation and name as the supreme allied commander in europe during world war two and his campaign slogan that he ''would go to korea if elected'' won him the presidency.