The Cold War was an ongoing political issue that appear after World War II between the US and the Soviet Union, and their respective allies.
Step-by-step explanation:
- There were military conflicts in Korea. An increase in nuclear weapons by both the USSR (Soviet Russia) and the United States of America.
- The Cold War increased cooperation between the USSR and the United States of America against China.
- Cuba brought the world closer to Nuclear War. These are the four events that increased the cold war tension.
- The United States of America and the USSR became the enemies of China.