I think most Americans believe that although it's better not to use military force if you can avoid it, that the world simply doesn't provide us the luxury of giving away military force as an important tool of foreign policy.
“Tens of thousands have been killed or wounded by the Israeli army since 1967. During 2006, the number of Palestinians killed reached 650. Since the beginning of the Israeli occupation in 1967, more than 650,000 Palestinians have been detained by Israel - about 40% of the male population.”