Although Globalization Has Produced Increased Flows of Money, Information, and Goods

Although globalization has produced increased flows of money, information, and goods, barriers to the flow of people are difficult to overcome. What is one of the principal barriers that migrants must overcome?

A) a high degree of regulation and immigration inspectors at borders
B) bribes for border patrol agents needed to allow passage
C) hometown associations attempting to block migrants from relocating to their communities
D) governments placing high excise taxes on migrants over the age of fifty-five