USA acknowledge and support One China Policy when it became convenient for corporations, under Carter. Now it's inconvenient for the same businessmen and regular people continue to dance on the strings of the uberwealthy puppetmasters and the rich who leave nations because of personal wealth either being affected or potentially affected. Same with Batista Cubans, Venezuelan and Chinese expats.

And there is also a reason so many Vietnam vets now reside in Vietnam, full time.