Answer:
maintaining a military.
Step-by-step explanation:
National, state, and local governments provide for the security of the people. This function is performed on the national level by maintaining a military.
Generally, the military is the armed forces of a country and they are typically saddled with the responsibility of protecting the territorial integrity of that particular country and its citizens. Thus, they usually ensure that the security of the people living within their country is critical and placed above any other thing without contemplations.