Question

Which two organizations have disappeared why did they collapse

Answer 1

The Marshall Plan & The Warsaw Pact

Step-by-step explanation:

The Warsaw Pact fell apart as these events transpired. This collapse was a direct result of the "velvet" uprisings in Eastern Europe that occurred in 1988-89 when the peoples of Poland, Hungary, Romania, Czechoslovakia, and Bulgaria rejected their communist regimes. And the Marshall Plan came to an end on December 31, 1951. The Marshall Plan terminated six months sooner than expected. The Korean Conflict had moved the United States foreign policy focus, while Western Europe was experiencing an industrial boom during the war.

Answer 2

the Soviet Union collapsed

Step-by-step explanation:

The Soviet Union fell on account of Gorbachev's choice to the decisions with a multi-party framework and make a president for the Soviet Union. They began with a moderate democratization measure, which at last sabotaged the control of the Communist Party and prompted the breakdown of the Soviet Union.

Sorry I only found one.