The answers are b.water scarcity and then d. dust storms . this is because it is very dry and lacks water x
When the African Americans opposed the colonization of Africa, it improves the social issues faced by the Blacks due to the realization that the American Colonization Society was pro-slavery and only wanted to get rid of them in America.
Rubber is coagulated sap; the French word for it, Cãoutchouc, comes from a South American Indian word meaning "the wood that weeps." The wood that weeps in the Congo was a long spongy vine of the Landolphia genus.
When citizens are unhappy with a specificpiece of legislation they want removed or struck down, they can call a referendum, which puts the issue to a direct vote by the citizens.