Which is not an example of a fortified barrier to migration?
A)the United States - Canadian border
B)the Great Wall of China
C)the Berlin Wall
D)fences along the Rio Grande River

Question

Quizplus · Accepted Answer

The United States-Canadian border is not typically characterized by fortified barriers to migration, unlike the other options which are or were significant physical barriers designed to control or prevent movement.

Which Is Not an Example of a Fortified Barrier to Migration