Answer:
B. the Code of Federal Regulations
Step-by-step explanation:
The code of federal regulations consist of 50 areas that generally controlled by Federal agencies. Violations of any of the codes written under the the Code of Federal Regulations will make people have to deal with FBI rather than local policies.
The rules written within the Code of Federal Regulations tends to be the ones that affect the situation on national level. This include things such as Immigration, Agricultural regulation, Postal services, resources conservation, etc.