<span>The original document, manuscript, or photograph are the best example of a primary source document useful in the study of history. The historical study needs valid evidence in order to provide reliable historical information. Not every primary sources are reliable. Therefore, the secondary sources are needed to provide more reliability.</span>
The decision of the price of a good depends on its demand. You can not just produce a certain product without knowing the amount of demand in the market. The demand will depend on the buyer's willingness to pay for the goods.
If you produce and produce products then it might bankrupt you because the price will be low because of the higher supply and no one is buying your product.
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The Catholic Church was the only thing that unified the region. The Roman Empire divided Europe into many different cultures, but the Catholic Church helped unite them all under one religion. Europe had always been Christian, but the Roman Empire forced new beliefs on the people.
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Answer:
A. The capital city of Tenochtitlan could be easily defended from attack.
Explanation:
The capital city of Tenochtitlan was located on a swampy island and as such the surrounding water was a natural defense system against would-be invaders.
The Aztecs built bridges from their city to the mainland which could be removed if they were being attacked.
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