<span>In the European history, the Early Middle ages lasted from 5th to the 10th century. The Early Middle Ages was the period where population was declining, majority of which was from the urban centers. The trades were also decreasing, increasing the immigration. From this statement, D, B, A can be cancelled out.
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Probably A or C. If I were you, I would go for A
The statement that provides the most accurate description of the Columbia Exchange is E. African population to the Western Hemisphere; Western Hemisphere food to Europe and Africa; African and European diseases to the Western Hemisphere. The Western Hemisphere had very arable land and thus was a great source of food and agricultural materials for the more populated Europe and Africa. European settlers used slave labor in the Western Hemisphere to harvest that food, labor that came in the form of African peoples. However, the indigenous peoples in the Western Hemisphere were not accustomed to the diseases of Africa and Europe.
The most important effects that the Mongols had on Europe and Asia were increasing the flow of goods and knowledge between the two regions, the unification of present day Russia and the introduction of new diseases. For example, knowledge of gun-making traveled from Asia to Europe during Mongol rule<span> </span>
Answer:
The only first thing I can think is Freedom
Explanation: