America at War: Concise Histories of U.S. Military Conflicts From Lexington to Afghanistan

War—organized violence against an enemy of the state—seems part and parcel of the American journey. Indeed, the United States was established by means of violence as ordinary citizens from New Hampshire to Georgia answered George Washington’s call to arms.

Since then, war has become a staple of American history. Counting the War for Independence, the United States has fought the armed forces of other nations at least twelve times, averaging a major conflict every twenty years. In so doing, t...