Containment

Noun

 * 1) the act of containing or something contained
 * 2) a policy of checking the expansion of a hostile foreign power by creating alliances with other states; especially the foreign policy strategy of the United States in the early years of the Cold War
 * 3) a physical system designed to prevent the accidental release of radioactive or other dangerous materials from a nuclear reactor or industrial plant.
 * 4) an inclusion

Thesaurus
peaceful coexistence, preparedness, shirt-sleeve diplomacy, shuttle diplomacy, spheres of influence, surrounding, the big stick, tough policy, world politics, Eisenhower Doctrine, Monroe Doctrine, Nixon Doctrine, Truman Doctrine, appeasement, balance of power, brinkmanship, cincture, circling, circumambience, circumambiency, circumcincture, circumflexion, circumjacence, circumposition, coexistence, colonialism, compromise, detente, deterrence, diplomacy, diplomatic, diplomatics, dollar diplomacy, dollar imperialism, embracement, encincture, encirclement, enclosure, encompassment, enfoldment, envelopment, environment, expansionism, foreign affairs, foreign policy, girding, girdling, good-neighbor policy, imperialism, inclusion, internationalism, involvement, isolationism, manifest destiny, militarism, nationalism, neocolonialism, neutralism, nonresistance, open door, open-door policy, peace offensive,