Because the university’s allow them to investigate their theories
America wanted to help stop communism from spreading all over the world so they tried to help Vietnam by keeping south Vietnam a non communist government.
It’s the third point from the left, I circled it just in case :)
The first major event in 1949 was the Soviet Atomic Bomb Test. This shocked the US because it didn't expect the Soviets to have this weapon this early on. This event led to many Americans scared for their own safety. As a response, the US started expanding its weapons.
Other events include the formation of the North Atlantic Treaty Organization (NATO) by the US. The Soviets responded by forming the Warsaw Pact to counter the threats posed by NATO.
Having three branches of government prevents one branch from having too much power
