Answer: B. NATO included only noncommunist states, while the United Nations included both democracies and communist states.
Explanation: The North Atlantic Treaty Organization, NATO was formed in 1949 after the signing of the North Atlantic Treaty by the U.S., Canada and some countries in Western Europe. Its aim was to provide defense for member states and mainly against the Soviet Union. It did not include any communist states.
The United Nations, on the other hand had communist states. It was formed in June 1945 and members from the onset, included China, the Soviet Union, the United Kingdom and the United States. Its purpose was also different. It aimed at maintaining peace as well as promoting better diplomatic relations and human rights.