The correct answer is C) the establishment of a project in Los Alamos, New Mexico, to develop.
Based on the lesson, the event that was a direct result of Einstein’s letter was the establishment of a project in Los Alamos, New Mexico, to develop.
We are talking about the famous "Einstein-Szilard letter," that was written to the United States, President Franklin D. Roosevelt. It was Alexander Sachs -a close friend of President Roosevelt- who delivered the letter to him on October 11, 1939. The content of the letter left a big impression in Roosevelt's mind, he ordered the creation of an advisory Uranium Committee. Years later, on December 28, 1942, President Roosevelt ordered the creation of the Manhattan Project to create nuclear weapons.