Book excerpt: "World War II was the largest and most destructive conflict in human history. It was an existential struggle that pitted irreconcilable political systems and ideologies against one another across the globe in a decade of violence unlike any other. There is little doubt today that the United States had to engage in the fighting, especially after the Japanese attack on Pearl Harbor on December 7, 1941. The conflict was, in the words of historians Allan Millett and Williamson Murray, "a war to be won." As the world's largest industrial power, the United States put forth a supreme effort to produce the weapons, munitions, and military formations essential to achieving victory. When the war finally ended, the finale signaled by atomic mushroom clouds over Hiroshima and Nagasaki, upwards of 60 million people had perished in the inferno. Of course, the human toll represented only part of the devastation; global environments also suffered greatly. The growth and devastation of the Second World War significantly changed American landscapes as well. The war created or significantly expanded a number of industries, put land to new uses, spurred urbanization, and left a legacy of pollution that would in time create a new term: Superfund site"--