Are to maintain law and order in a country, make national defense stronger and regulate money supply...
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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One major cause of the French Revolution was the "voting structure in the Estates-General, since this led to the disenfranchisement of many lower-class French people. Another cause was the American Revolution, however. <span />
<span>They were Mongols who leveled cities, looted treasures, and massacred entire populations.
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