Debating War

What arguments have critics of American wars and interventions put forward, and what arguments do they currently employ? Thomas Jefferson, Henry Thoreau, John Calhoun, the Anti-Imperialist League, Herbert Hoover, Charles Lindbergh, Martin Luther King Jr., and Ron Paul (among others) have criticized proposals to intervene in other countries, enter wars, acquire foreign territory, and engage in a forward defense posture. Despite cogent objections, they have also generally lost the argument. Why do