During the Cold War the United States and the Soviet Union engaged a competition to see who had the best technology in space. The Space Race was considered important because it showed the world which country had the best science, technology, and economic system.
They are more commonly known as the bill of rights.
Most of the African continent is on a high "plateau". Although it is true that African contains the largest desert in the world, the desert itself is not physically "high" in the same sense.
