How did Soviet control of central and eastern Europe influence the creation of NATO?

Created from Britannica articles using AI. AI can make mistakes, so verify using Britannica articles.

The North Atlantic Treaty Organization (NATO) was established in 1949 primarily as a military alliance to serve as a counterweight to the Soviet Union’s dominance in central and eastern Europe following World War II.12

Soviet control significantly influenced the creation of NATO in several ways:

  • Consolidation of Power: By 1948, the Soviet Union had consolidated control over the governments of central and eastern European nations, suppressing noncommunist political activity and establishing what became known as the Iron Curtain.2
  • Breakdown of Cooperation: Wartime cooperation between the Western Allies and the Soviets collapsed, leading to the division of Germany into separate democratic and communist states.2
  • Aggressive Expansion: Soviet support for communist insurgencies and the 1948 communist coup d’état in Czechoslovakia heightened Western security concerns.23
  • The Berlin Blockade: In 1948, Soviet forces blocked land access to West Berlin, an act that intensified Western fears of further Soviet expansion and underscored the need for a formal collective-defense agreement.435

These events prompted Western nations to move beyond economic aid, such as the Marshall Plan, toward a more formidable military alliance to ensure regional security and protect democratic values.23