Which action was a response to the organization created by this treaty?
Article 5
The Parties agree that an armed attack against one or more of them in Europe or North America shall be
considered an attack against them all and consequently they agree that, if such an armed attack occurs, each
of them, in exercise of the right of individual or collective self-defense recognized by Article 51 of the Charter
of the United Nations, will assist the Party or Parties so attacked by taking forthwith individually and in
concert with the other Parties, such action as it deems necessary, including the use of armed force, to restore
and maintain the security of the North Atlantic area,
-North Atlantic Treaty, April 4, 1949
O
formation of the Warsaw Pact
O
announcement of the Marshall Plan
O
fallion of the "Iron Curtain over Eastern Europe
O
application of the Eisenhower Doctrine to Lebanon