FOR years migrants have left Guatemala, El Salvador and Honduras—Central America’s so-called “Northern Triangle”—to pursue their dreams in the United States. Having fled civil wars between the 1970s and 1990s, they now flee poverty and gang-related violence. Over 3m Central Americans are reckoned to live in America.

FOR years migrants have left Guatemala, El Salvador and Honduras—Central America’s so-called “Northern Triangle”—to pursue their dreams in the United States. Having fled civil wars between the 1970s and 1990s, they now flee poverty and gang-related violence. Over 3m Central Americans are reckoned to live in America.