With Reference to NAFTA, Due to ____, Japan Could Not

With reference to NAFTA, due to ____, Japan could not assemble autos in Mexico and avoid U.S. or Canadian tariffs and quotas unless the auto had a specific percentage of Mexican (i.e., North American) content.

A) very high tariffs
B) certain quality standard requirements
C) rules of origin
D) issues related to intellectual property rights
E) quota restrictions