A) A small number of wealthy people were responsible of praying for railroads
The correct option is D.
Thomas Edison was an American investor and business man and he had been described as the American greatest inventor, because during his life time he accumulated 1,093 patents. He is the brain behind many devices which had radically changed the way people live their lives today. The devices invented by him include: phonograph, light bubs, moving pictures, electrographic vote recorder, the carbon telephone transmitter, etc.
Villages and towns were built around ubaid farming communities. They are known as Sumerians. They were in control of the area by 3000 B.C. Their culture was comprised of a group of city-states.
The use of atomic bomb on Nagasaki and Hiroshima prevented the massive invasion into Japan that was scheduled for the fall of 1945. The United States has dropped two nuclear bombs on Nagasaki (August 6, 1945) and Hiroshima (August 9, 1945) after getting the consent of United Kingdom (as required and agreed upon in Quebec Agreement).
The answer is A, the national and state governments share power.