The correct answer is Albert Einstein.
Albert Einstein urged President Franklin D. Roosevelt to speed up the process of developing an atomic bomb because of his knowledge regarding Germany's advancement towards the development of this weapon. Einstein was worried that the Germans would be able to develop this weapon before the US, which would result in catastrophic damage to the entire world.
If I understand your question correctly, I believe it was the Ming Dynasty which lasted from 1338-1644.
A government that killed millions of people in Cambodia
These laws were known as the "Black Codes".
FDR wanted some things to pass in Congress, but he did not get the required votes. Because of that, the dude wanted to change the amount of people who were able to vote so he could get more votes. He was basically abusing his power
