Answer: b. include laws and programs related to maintaining the armed forces
Step-by-step explanation:
Defense relates to the processes involved in protecting a nation from external and internal threats which means that they address the bodies that are tasked with this protection.
The main bodies tasked with such protection are the nation's armed forces. This means that Defense policy can simply be stated to be laws and programs that are related to the armed forces and their maintenance to enable them protect a nation.