Answer:
D. National security argument.
Step-by-step explanation:
Looking at the options, the correct one is National security argument. This is because the congress woman is arguing that ball bearing industry is important in making weapons which is in turn very important to national security. She argues that imposing trade restrictions on free trade, it will make the United States begin to produce their own weapons which will be helpful in time of war when they need a lot of weapons.. Thus, her justification in her argument is primarily for National Security!