One way the U.S and the U.S.S.R were competing during the Cold War was with military technology. Both sides invested heavily into new military technologies trying to get the upper hand. The Second way was the Space race, both sides competed to be the first to put a man on the moon.
A who were some groups that helped
The most straightforward theory for 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 “barbarian” groups like the Goths had encroached beyond the Empire's borders.
Explanation:
The north had more population, a grater industrial base, and more wealth