sentences:  Eisenhower Doctrine
  
  The Eisenhower Doctrine was a policy enunciated by Dwight D. Eisenhower on January 5, 1957, within a "Special Message to the Congress on the Situation in the Middle East".Under the Eisenhower Doctrine, a Middle Eastern country could request American economic assistance or aid from U.S. military forces if it was being threatened by armed aggression.