The mongols is history's biggest land contiguous empire that grew under the leadership of Khan,and was made of nomadic people. It sprung from eastern Europe and spread all the way to the far east.
The Mongolians were an exception because they perfected the mail system,protected the silk road, and left a legacy of unified political units such as Russia and China.
When the Soviet Union launched Sputnik on October 4, 1957, it set off the space race with the United States.
Both countries wanted to be the dominant country when it came to Space and for America, this meant changing educational priorities.
STEM became the focus as young people were encouraged to use their mind to help get America further into the stars.
America spend quite a lot of money to land the first man on the Moon and eventually moved on to other priorities.
It was a grand total of 10 presidents almost assassinated.