“The time will come when humanity will curse the name of Los Alamos and Hiroshima (Hawkins 1983 260-261). » When nuclear weapons were first discovered in the 1940s, no one knew the force they would exert on the world. Many lives were lost when the United States of America dropped atomic bombs on Hiroshima and Nagasaki. These lives could have been saved if communication between the United States and Japan had been better. These bombs should never have been dropped. Even the scientists who were part of the Manhattan Project thought so. Since the beginning of nuclear exploration, people have feared the consequences of nuclear development. Albert Einstein, a German-born theoretical physicist, who was living in Germany at the time Hitler came to power. Albert Einstein, Edward Teller, Leo Szilard and the rest of his team members wrote a letter in August 1939 to the United States warning that Germany was researching and developing nuclear weapons. Scientists feared that once Germany finished building the bomb, they would use it against the United States. In the 1930s, the United States wanted to build a weapon so powerful that the world would fear it. The United States government establishes a top secret plan called the Manhattan Project to develop the atomic bomb. The Manhattan Project was the first quest for nuclear weapons. The Manhattan Project took place in the United States, during World War II, and its goal was to create a bomb by splitting atoms. This project was a success and created one of the most destructive bombs ever used by mankind, the atomic bomb. Then-President Harry S. Truman had to deal with the factors involved in the decision to drop the bomb. On July 16, 1945, the U.S. government tested the bomb in New Mexico. The United States, wanting to end the war with Japan, decided to carry out what would be one of the deadliest bombings in human history. Then, on August 6, 1945, with the authorization of President Harry S. Truman, the United States dropped the first atomic bomb on the Japanese. The bomb hit the city of Hiroshima and caused significant destruction in the city and its surrounding areas. Many civilians reportedly killed and injured in bombing..