>So their ecconomy grows and with it edutated people who can afford to see the world and in turn how thep have been lied to.
As has happened with China? When they opened up trade and became part of a global economy their nationalistic ambitions stopped and they ceased to support dictatorships like Russia. Also their political system opened up and they morphed from a uniparty communist country to a liberal democracy. Oh wait, the exact opposite happened on all accounts.
You didn't answer my question. Why would Vietnam be any different? Why should the US help build their economy so that they can do the exact same thing as China did. Your theory of how this works is disproven by reality. You can not make a country a liberal democracy by opening up trade with them. It failed with China, it failed with Russia.