Respuesta :
The correct answer is B.
Oak Ridge, a small city in Tennessee, had played a vital role in the development of the world's first nuclear weapons.
The so called 'Secret City' was the epicenter of the Manhattan Project, the American-led effort to build an atomic bomb.
The site scouted in Oak Ridge had ideal conditions for the military's plan: remote location and the perfect population size.
Oak Ridge was established in 1942 as the Manhattan Project started, it was a massive joint effort of American, British and Canadian forces to build and develop the atomic bomb.