slavery was causes when people from europe took people and made them work for themselves
Answer:
first one is a b and c the others idk sorry
Answer:
Invasions by Barbarian tribes
Explanation:
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.
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