PASSAGE #1 In the summer of 1939, a few months before World War II started, Albert Einstein and a group of Hungarian
scientists wrote to President Franklin D. Roosevelt. In this letter they warned Roosevelt that the Nazi's were
conducting atomic research and that the consequences would be dire if the Nazis were to win the race to build an
atom bomb. They recommended that the U. S. become involved in uranium research. As a result of this letter, the
U. S. joined the atomic race and poured billions of dollars into the development of weaponry. The U. S. won the race
and became the first country to build an atomic bomb. The bomb was then used in Japan, killing hundreds of
thousands of civilians. In 1954, a year before his death, Einstein would refer to the moment that he signed the
letter to President Roosevelt as the greatest mistake of his life.
23. This passage is mainly about
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