The way the world thinks of war changed forever in 1945. On July 16 in Alamogordo, New Mexico, America exploded the world's first atomic bomb, sending a huge mushroom-shaped cloud high into the sky. The Manhattan Project, which was used to end World War II, was mostly led by German and German-Jewish scientists, who had escaped from Hitler's Germany. In 1939, an American university professor named Albert Einstein wrote a letter to President Franklin D. Roosevelt, in which …showed first 75 words of 5991 total…

…showed last 75 words of 5991 total…wer of what a small element can do. All of our lives have changed through the development and bombing of the atomic bomb. The cold war, nuclear restrictions, nuclear energy, are all results of the first nuclear breakthrough. However, the controversial issues will still rage on. Nuclear testing, nuclear power, and nuclear waste are still being debated for over 50 years, and the United States, the only country to actually use the bomb, is the leader.