Belive It's D. sorry If Its Not. Good Luck :)
Answer: I believe what happened was Russia launched Sputnik 1 and after realizing we now have the technology to go to space, we began competing to see who could get to the moon first which ended up with U.S. making it first on 21st July 1969
Explanation: Sputnik 1 was launched in 1957.
The Cold War era lasted from the end of WWII to December 25th, 1991. There were many events during that time including the <span>Cuban Missile Crisis, Korean War, and the Vietnam War.</span>
