On August 2, 1939, Albert Einstein sent a letter to President Roosevelt warning him of the certain possibility that the Nazi regime in Germany was developing the necessary technology to create weapons of mass destruction, specifically, high impact nuclear bombs. In addition, in this letter Einstein urged the president to develop the same type of technology, in order to counter the eventual fire power that Germany could reach if it achieved its objective.
States because the American people wanted to prevent the central government from becoming tyrannical. But the central government was too weak and could not rely on the states for support.
