Answer:
Option C, Arms race, is the right answer.
Explanation:
Throughout the Cold War, the nuclear arms race was a race for producing nuclear products for supremacy in nuclear weapons between the Soviet Union, the United States and their allies.
It was the time during which not only the superpowers (America and the Soviet Union) developed nuclear weapons but other countries also developed such weapons but on a small scale. However, no one engaged in the nuclear war and save the world from a devastating state.
B. Mills no longer had to sit by flowing rivers and use water for power.
D. Ships did not have to depend on wind.
E. Machines could work at rates faster than human power ever allowed.
