APUSH Period 8 Practice Test 2026: Cold War and Civil Rights Exam Prep

The purpose of the North Atlantic Treaty Organization (NATO) was to provide collective security against the Soviet Union. Established in 1949, NATO was primarily a military alliance formed in response to the threat posed by the USSR during the early years of the Cold War. The founding members of NATO believed that an armed attack against one member would be considered an attack against all members, thereby deterring Soviet aggression in Europe.

The alliance aimed to ensure mutual defense and stability among Western nations and was a crucial element in the strategy to contain communism, which was perceived as a growing threat in the post-World War II world. The commitment to collective defense solidified political and military ties between the United States, Canada, and several European nations, creating a counterbalance to Soviet influence in the region.

While global trade, economic coordination, and military strategies in Asia are important aspects of international relations, they were not the primary focus or purpose of NATO. Instead, the organization's formation reflected the necessity for a unified front in the face of a specific geopolitical threat, which was the expansive policies and military capabilities of the Soviet Union during the Cold War.