Which of the Following Best Explains Recent Governmental Relaxation of Restrictions

Which of the following best explains recent governmental relaxation of restrictions on cross-border trade and resource movements?

A) Most countries face shortages of workers, so they seek immigrants who can help them produce more.
B) Governments believe that this will decrease the need to make their own companies more innovative.
C) Consumers increasingly want to buy goods and services produced in their own countries, making restrictions less necessary.
D) Governments believe that domestic producers will become more efficient as a result of foreign competition.