Answer:
Marco Polo
Explanation:
Marco Polo was able to unite the Chinese and Mongol people with his kind words about Kublai Khan. Marco Polo was paid by the Khan to make him look good to rulers in Western Europe.
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Slave codes were stated laws established to determine the status of slave and the rights of their owners. Slave codes placed harsh restitution on slaves' already limited freedoms, often in order to preempt rebellion or escape, and gave slave owners absolute power over their slaves.
Whenever a state law disagrees with the U.S. Constitution or with federal law, the state must give way to the federal government. The Constitutional Framers purposefully made the states subservient to the federal government in specific areas to avoid conflict and to empower the federal government to create a strong unified national government.
C. Consequences of the Black Death included a series of religious, social, and economic upheavals, which had profound effects on the course of European history. The Black Death was one of the most devastating pandemics in human history, peaking in Europe between 1347 and 1350 with 30% to 65% of the population killed.