One major benefit of using renewable energy resources is that it provides "sustainable energy", since energy sources such as fossil fuels will eventually run out.
The correct answer is - B.) Many African nations demanded that colonial governments grant them their independence.
After the end of WW II most of the African countries that still hadn't gained independence started demanding it from their colonial governments. This is was due to the fact that most of the colonial countries were significantly weakened and that the African countries were reflecting on the other countries around the world that gained independence. Not surprisingly, most of them did gained independence without any major problems because the colonial countries of Europe were all on the verge of economic collapse and were not able to sustain their colonies anymore.
Answer: to challenge segregation
Explanation:
Hoover was an economic conservative, and did not believe in federal intervention in the natural cycles of the economy. It is worth noting that the thought the Depression would be much shorter than it turned out to be. He was also fearful of establishing a permanent situation in which the economy was dependent upon the government, especially with regard to welfare programs.
Hoover's fear was that the country would be permanently weaker if welfare programs were introduced, or if the federal government became overly involved in the banking system. Towards the end of his administration, as the Depression dragged on, Hoover conceded a bit on this point, and introduced some Federal lending programs to bail some financial institutions. The answer is A.