Are There Impediments to International Movement of Labor and Capital

Multiple Choice

Are there impediments to international movement of labor and capital?

A) Yes, but they apply to labor only; capital mobility is almost completely free.
B) Yes, although these apply to capital, and not to labor.
C) Yes, there are significant (often prohibitive) restrictions on labor and capital mobility.
D) No, these have been removed with the passage of recent trade legislation.