Which of the following describes a state of equilibrium?

the condition of a system when neither its state of motion nor its internal energy state tends to change with time.

or b partially

the truman doctrine was an american foreign policy whose stated purpose was to counter soviet geopolitical expansion during the cold war. it was announced to congress by president harry s. truman on march 12, 1947, and further developed on july 12, 1948, when he pledged to contain threats to greece and turkey.