Multiple choice The North Atlantic Treaty Organization (NATO)was formed in 1949 primarily to provide for the mutual defense of themember nations promote social and cultural exchangesbetween members promote free trade between the UnitedStates and Asia rebuild Western Europe’s war-ravagedeconomy Reveal answer Fill a bubble to check yourself A Correct answer Explanation NATO was established as a collective defense alliance to counter the perceived threat of Soviet expansion in Europe after World War II.