policy implementation enforcement

Be sure to list your two required references at the end of your post. References must be in APA citation format. Answer the following questions below must be a minimum of 300 words combined. 
 Do you believe that training is a necessity in the implementation of new policies? Please support your answers.

2. Why are background checks important to information security? What purpose do they serve?

3. What can happen if management does not enforce the policies that are put in place?