Genghis Khan is the least important Mongol emperor and the most cruel one.
by granting US veterans benefits to attend universities
The correct answer is President Franklin D. Roosevelt.
Roosevelt started the Manhattan Project after receiving a letter from Albert Einstein which warmed him of the advancements made by German scientists during World War II. After hearing about these concerns, FDR wanted to ensure that the US would be ahead of Germany in terms of the development of the atomic bomb. Roosevelt knew that if Germany beat the US to this development, it could be extremely dangerous for the entire world.
Supreme Headquarters Allied Expeditionary Force (SHAEF; /ˈʃeɪf/ SHAYF) was the headquarters of the Commander of Allied forces in north west Europe, from late 1943 until the end of World War II. U.S. General Dwight D. Eisenhower was in command of SHAEF throughout its existence.
Kings and queens are also known as monarchs.
Christians and muslims fought against each other in the crusades.