Which of the Following Is the National Security Argument Against

Which of the following is the national security argument against free trade?

A) A country must preserve its jobs.
B) A country must protect new industries to give them a chance to mature before facing foreign competition.
C) A country must protect industries that produce defence equipment and armaments.
D) A country must protect its consumers from foreign influences.
E) A country must protect firms from dumping by foreign companies.