A belief or set of beliefs held and taught by a church, political party, or other group
the doctrine of the Trinity
= cell theory.
A principle of US policy, originated by President James Monroe in 1823, that any intervention by external powers in the politics of the Americas is a potentially hostile act against the US
A policy proposing to end the practice of United States military intervention in conflicts abroad, especially in Asia, adopted by Richard Nixon in 1969 as a reaction to the Vietnam War.
The principle that the US should give support to countries or peoples threatened by Soviet forces or communist insurrection. First expressed in 1947 by US President Truman in a speech to Congress seeking aid for Greece and Turkey, the doctrine was seen by the communists as an open declaration of the Cold War
A former federal policy in the US requiring television and radio broadcasters to present contrasting viewpoints on controversial issues of public importance
= mercantile system.