Three South American countries—Bolivia, Chile, and Ecuador—have experienced massive protests in the past couple of months.

We have heard much in recent years about Washington’s “Pacific pivot” aimed at deterring Chinese adventurism in the South China Sea and the “reassurance initiative” aimed at deterring Russian revisionism in Eastern Europe. What has received far less attention is Beijing’s pivot to the Americas and Moscow’s revival of Cold War-style intervention in the Western Hemisphere.

An estimated 10 percent of Venezuela’s population has fled the country, putting stress on other governments in Latin America since these nations still have their own challenges.