The United States and the Soviet Union began building up
their military forces very quickly.
This led to a nuclear arms race whereby the two countries
competed for supremacy in nuclear warfare. The result was that each acquired
enough warfare to completely destroy the other resulting in a Mutually Assured
Destruction state of affairs
A.) is the correct answer because this year is 2017 and 2000bc (before Christ) so you add them together
Is this like a guidance or a health class? If so the answer is probably responsibility.