U.S. military forces should promote international peace and tranquility vice maintain an offensive mindset

a dissertation (Methodology) section discussing
Current/Future Military threats toward the United States, Members and Contributors of Terrorism, How the U.S. Military diminished Terrorist act/event, U.S. Military Force providing Peacekeeping Involvement, American Public view on promoting international peace. These are the areas of topic I would like for you all to speak upon. Thanks