Negotiating international peace treaties
Answer:
I don't know if this is the answer but I hope it helped
Explanation:
Invasions by Barbarian tribes
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.
training in military tactics and weapon
Answer: It causes flooding which washed away fertile top soil.
Explanation:
