The opportunity cost of an item is what you give up to get that item.
Answer:
The law required the government to negotiate removal treaties fairly, voluntarily and peacefully: It did not permit the president or anyone else to coerce Native nations into giving up their land.
Explanation:
They wanted land and oil that Eastern Europe had.
Answer:
Trade
Explanation:
Because of Italy's long coastlines, Italian city states became wealthy through trade.
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