C. Niagara Movement and the National Association for the Advancement of Colored People.
In order to help African Americans in the US gain economic independence, Marcus Garvey founded the Niagara Movement and the National Association for the Advancement of Colored People.
<em>The</em> <em>Black Star Line</em>, a shipping line created to ease the transportation of goods and African Americans across the Global Economy, and <em>The Negro Factories Corporation</em>, conceived to operate factories in Africa, USA, west Indies and Central America were endeavors to promote economic development alongside African descendants.
Both related to the Universal Negro Improvement Association founded by Marcus Garvey, a Jamaican immigrant living in New York around 1919, which inspired a global movement, known as "<em>Garveyism"</em>. Thereby the correct answer is (C)
The gold mines of West Africa provided great wealth and power to West African Empires such as Ghana, Mali, & Songhai empire. The king of Ghana started trading back in the 8th century.
At the same time, they occupied the heart of prime bison range which was also an excellent region for furs, which could be sold to French and American traders for goods such as guns. The Lakota became the most powerful of the Plains tribes.