The United States of War2020 L. A. Times Book Prize Finalist, History A provocative examination of how the U. S. military has shaped our entire world, from todays costly, endless wars to the prominence of violence in everyday American life. The United States has been fighting wars constantly since invading Afghanistan in 2001. This nonstop warfare is far less exceptional than it might seem: the United States has been at war or has invaded other countries almost every year