The answer for your question is 72
They started the korean war to prevent the spread of communism cause they associated communism with Russia. They did not like Russia .
"The Cuban Missile Crisis was Russia getting ballsy and really mad at us (Likely due to us having missiles in Turkey that could hit them)
And the Vietnam War was started for the same reason as the Korean War"
Answer:
Invasions by Barbarian tribes
Western Rome's collapse pins the fall on a string of military losses sustained against outside forces. Rome had tangled with Germanic tribes for centuries, but by the 300s.
