Exit 1/18

Last updated over 5 years ago
1 question
1

Read the paragraph below from the introduction [paragraphs 1-3].

Approximately 700 miles of barbed wire, chain link, post-and-rail and wire mesh fencing has been erected along the U.S.-Mexico border. The U.S. Border Patrol also utilizes thousands of cameras and underground sensors as well as aircraft, drones and boats to monitor the boundary.

Which idea is BEST supported by this paragraph?