Answer:
The Cold War (1947 to 1991)
Explanation:
Have a good day :)
(I still don't know why they called it the Cold War)
1: for me is A
2: for me is C
3: for me is B
4: for me is C
hope this help u in sth i have more things to do so thats all i can help u
D because it makes sense
I would Guess B submarines