Assertion: fence | /r/CapableOf | protect their borders
Facets:
Source sentences:
text: Many nations have fences to protect their borders - the United States, for example, has one to prevent illegal immigration.
text: almost 2,000 miles.﻿﻿ Walls, fences, and virtual walls of sensors and cameras monitored by the U.S. Border Patrol are already built along one-third of the border (approximately 650 miles) to secure the border and cut down on illegal immigration.﻿﻿
text: Most nations have fences to protect their borders and several use barriers in political disputes: