Who defined the u. s. policy of containment?

containment, policy of. A United States foreign policy doctrine adopted by the Harry S. Truman administration in 1947, operating on the principle that communist governments will eventually fall apart as long as they are prevented from expanding their influence.

Explanation:

oil! is what i am assuming

thing is, i'm afraid, you can't.

the most you can do is log out and never log in again.