Answer:
Colonial powers justified their rule through Social Darwinism and Racism.
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Europe's system of military alliances enlarged small conflicts
A medium of exchange allows greater efficenency in an economy and also stimulates a rise in overall trading activity. In a barter system, trade between two groups or people can only happen if one party has something the other party really really wants.
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Answer:
it means to break apart dead organisms into simpler inorganic materials.
Explanation: