Answer:
Thee Plains Indians depended on two animals, the horse and the buffalo. The Spanish brought horses to America in the 1500s. Plains Indians learned to ride horses, and hunters used them to follow buffalo herds.
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Answer:
Eastern parts were richer and more populated, while western part had a symbolic value (Rome). All in all, western half collapsed quickly and doesn't have great impact on history. Eastern half is the Byzantine empire, which had a great impact on eastern Europe, it basically "created" Bulgarian, Serbian and Russian empires (of which only Russian managed to survive long enough to become a world force) and (Byzantine ) had a great influence on Ottoman empire.
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Explanation:
Margarine and butter are examples of substitutes.
Dalton's atomic theory includes B. Atoms of the same element are always identical.
