Step 1: Understanding the Concept:
During the Cold War, the United States pursued a policy of "containment" to stop the spread of communism. A key part of this strategy was forming military alliances to ensure collective security among non-communist nations.
Step 2: Detailed Explanation:
Two major military organizations established and led by the United States during this period were:
1. NATO (North Atlantic Treaty Organization):
- Established in 1949, NATO is a collective security system. Its member states agree to mutual defense in response to an attack by any external party.
- It was primarily formed to counter the perceived threat from the Soviet Union in Europe. Its Soviet counterpart was the Warsaw Pact.
2. SEATO (Southeast Asia Treaty Organization):
- Created in 1954, SEATO was a collective defense treaty for Southeast Asia.
- Its primary goal was to block further communist gains in the region. Members included the USA, UK, France, Australia, New Zealand, Pakistan, the Philippines, and Thailand. It was officially dissolved in 1977.
Other examples include CENTO (Central Treaty Organization) for the Middle East and ANZUS (Australia, New Zealand, United States Security Treaty).
Step 3: Final Answer:
Two military organizations established by the United States during the Cold War were the North Atlantic Treaty Organization (NATO) and the Southeast Asia Treaty Organization (SEATO).