Even in the north which group was a regular part of commerce linking north american, africa, and europe?

The region continues to suffer from poor political and socioeconomic conditions, including some of the world's highest homicide rates and widespread gang violence, which drive ongoing migration. A growing number of unaccompanied children and families from Central America have arrived at the U. S.-Mexico border since 2011, largely from the Northern Triangle. In fiscal year (FY) 2016 alone, U. S. Customs and Border Protection (CBP) intercepted nearly 46,900 unaccompanied children and more than 70,400 family units from El Salvador, Guatemala, and Honduras arriving at the U. S.-Mexico border.