An atomic bomb is about fission. You're breaking up very large atoms (Uranium or Plutonium) in a super-critical chain reaction. A hydrogen bomb, or a thermonuclear bomb, uses fusion in a chain reaction. With this staged design, it is possible to have a thermonuclear bomb which is far more powerful than an atomic bomb.
Also to know is, why was MacArthur fired as commander of the UN forces in 1951?
1951: MacArthur fired - Ridgway takes over. US President Harry S Truman has dismissed General Douglas MacArthur as commander of United Nations and US forces in the Far East after disagreements over foreign policy in Korea.
What led to the downfall of mccarthy?
Despite McCarthy's acquittal of misconduct in the Schine matter, the Army–McCarthy hearings ultimately became the main catalyst in McCarthy's downfall from political power. After his censuring, Senator McCarthy continued his anti-Communist oratory, often speaking to an empty or near-empty Senate chamber.
What happened to MacArthur?
Korean War. In June 1950, Communist forces from North Korea invaded the western-aligned Republic of South Korea, launching the Korean War. Douglas MacArthur was put in charge of the American-led coalition of United Nations troops. On April 11, 1951, Truman removed MacArthur from his command for insubordination.