This is about communities - forest communities and people communities. Perhaps the most substantial exercise in bridge-building in the world is the joint project of European integration spearheaded by Jean Monnet after the two bloodiest wars in world history.
containment(noun) a policy of creating strategic alliances in order to check the expansion of a hostile power or ideology or to force it to negotiate peacefully. containment of communist expansion was a central principle of United States' foreign policy from 1947 to the 1975.
Vietnam was united by the North Vietnamese on July 2, 1976 to form the Socialist Republic of Vietnam. Communism had spread to Vietnam. In conclusion, American policy of containment of communism and Soviet's influence was not as successful as it was hoped to be. The Americans managed to contain the spread of Communism to a certain extent during the Korean War and to a limited extent during the Cuban Missile Crisis.