46. Despite the claim that globalization created a borderless world, nation-states still maintain immigration restrictions. Which of the following are the main reasons why migration is not freely...

Extracted text: 46. Despite the claim that globalization created a borderless world, nation-states still maintain immigration restrictions. Which of the following are the main reasons why migration is not freely allowed or liberalized? a. Brain drain or loss of essential professionals and skilled workers b. terrorism c. racial conflict d. fear of immigration e. all of the above f. none of the above