Answer:
B. the national mail system from being used for criminal or illegal purposes.
Explanation:
The United States Postal Inspection Service is a federal law enforcement sector of the posting service that inspects and makes sure that the mail system is used in a fair and safe manner. This process safeguards the general public from any harm and also ensures the mail system from any illegal or dangerous activity.
Thus, the <u>correct answer is that the US Postal Inspection Service was created so that the national mail system will not be used for any criminal or illegal purposes and also to safeguard people from any harm.</u>
They do that where it is very organized
