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.
Ho Chi Minh was a communist leader who was trying to spread communism throughout all of vietnam. During that time, there was a containment policy in the US that pledged assistance to any country that was suffering from communism. This is why the US sent troops to the US to fight the communist vietcong.