1970
- The UK, US, the Soviet Union, and other countries enter into an agreement known as the Nuclear Non-Proliferation Treaty. The Nuclear Non-Proliferation Treaty comprises legally binding nonproliferation commitments and is the basis for international cooperation on stopping the spread of nuclear weapons
1970
- Communist sanctuaries in Cambodia are bombed by the US; Nixon extends Vietnam War into Cambodia.
1972
- The signing of the Strategic Arms Limitation Talks (SALT I) between the US and USSR was the beginning of Détente (relaxing of tensions by negotiations or agreements)
1977
- US backed Somalia attacks while the Soviets supported Ethiopia which started the Ogaden War.