People look out and vote for their own self-interest. Previously the two goals may have aligned, but that chart showing income growth per percentile bracket is

People look out and vote for their own self-interest. Previously the two goals may have aligned, but that chart showing income growth per percentile bracket is extremely telling. It's natural that economic policy would shift in response to unfavorable outcomes. This may mean severing free-trade agreements in favor of protectionism. But it remains to be seen whether these changes are drastic enough to alter foreign policy, and jeopardize military alliances we've since the last world war.