The main purpose of the judicial branch is to protect and serve justice. Lower courts typically solve criminal, appeals, and family matters while the higher ones interpret laws.
They believed so because the military strength of those countries increased in size by almost twice in the period between the two wars. They also felt humiliated after how World War 1 was resolved so they wanted their revenge and believed that they deserved more. Other parts included Africa and parts of Asia.
The Korean War led to conflict over strategies between Harry Truman and Douglas MacArthur. The Korean War was a war between the North Korea and the South Korea. United Nations force led by the United States of America fought together with South; Soviet Union and China fought for North.
