The answer is the building o large mounds for burial grouds
Answer:
the supporters of manifest destiny believed that taking lands from non european americans was justified and makes their history expand , because they were spreading liberty to the lands and the natives were racially unfit to hold the land.
It was the Battle of Salamis. It was a naval battle which was won by the Greek allies against the Persians.
<span>Invasions by Barbarian tribes <span>Economic troubles and overreliance on slave labor<span>Overexpansion and military overspending
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