Answer:
é uma situação em que uma única empresa domina a oferta de determinado produto ou serviço.
Explanation:
Answer: President Thomas Jefferson hoped that the Embargo Act of 1807 would help the United States by demonstrating to Britain and France their dependence on American goods, convincing them to respect American neutrality and stop impressing American seamen. Instead, the act had a devastating effect on American trade.
At this time in the Neolithic, c. 7000-6,000 B.C.E., people were often buried under the floors of homes, and in some cases their skulls were removed and covered with plaster in order to create very life-like faces, complete with shells inset for eyes and paint to imitate hair and moustaches.
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