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.
Answer:
D
Explanation:
using more public transportation would make us use more oil instead of cutting back, because of gasoline
A. Declare economic warfare against Great Britain.