The correct answer is the following.
The correct matches are:
United Nations: Approved the partition of Palestine.
Marshall Plan: Provided Economic Aid to Europe.
Warsaw Pact: Strengthened Soviet control over Eastern Europe.
Truman Doctrine: Outlined the ways to contain Communism.
With Resolution 181, the United Nations approved the partition of Palestina in two states, on November 29, 1947. One of the states was for the Jews, the other for the Palestinians.
The Marshall Plan was designed by the United States to help Western Europe countries to recover after the destruction of World War II. The U.S. destined over 14 billion dollars for the reconstruction of cities in France, Great Britain, and many others.
The Warsaw Pact signed on May 14, 1955, represented a military and political agreement between Communist nations such as Poland, Hungary, and Rumania with the Soviet Union. This agreement strengthened Soviet control over Eastern Europe.
Truman Doctrine was the way the United States decided to stop the spread of Communism in Europe. Truman did not want countries such as Turkey or Greece to become part of the Soviet Union control though Communism.