birth of nuclear weapons?
A) beginning in the 1940s, both the United States and the United Kingdom lead the way in successfully testing nuclear weapons
B) beginning in the 1940s, both the United States and Russia lead the way and successfully testing nuclear weapons
C) beginning in the 1940s, Russia was the first country to successfully Tess a nuclear warhead.
D) beginning in the 1940s, both the United States and China lead the way in successfully testing nuclear weapons.
Pleaseeee help!!!! I will mark you as brainlinest for correct answer!!!!!!!!