A principle or body of principles presented for acceptance or belief, as by a religious, political, scientific, or philosophic group; dogma. A rule or principle of law, especially when established by...
A doctrine is a teaching related to how to behave.
A statement of official government policy, especially in foreign affairs and military strategy.
Both Doctrines offered economic and military aid to countries.
Sometimes when you break up with them, you tend to act like you hat them, unless you still want to be friends. it kinda happened to me, too. ;)