The doctrine was publicly disclosed by U.S. Secretary of Defense Caspar Weinberger on November 28, 1984, in a speech entitled "The Uses of Military Power" delivered before the National Press Club in Washington, D.C.
The Weinberger Doctrine was an outgrowth of the collective lessons learned from the Vietnam War and the desire of the U.S. government to avoid such quagmires in the future.
They further argued that any U.S. military contingent entered into the Lebanon conflict would become a convenient and prominent target for the various factions in the civil war.
An older event but probably having a stronger influence on U.S. foreign policy, presidential powers, and the commitment of U.S. military forces and may have precipitated articulation of the Weinberger Doctrine was the legacy of the Vietnam War.
"[3] In his memoirs, An American Life, Ronald Reagan listed the principles, said that they helped guide his administration's foreign policy decisions, and recommended them to future presidents.