USA HISTORY

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FIRST CONTACTS 28000 BCE 1821 CE

THE COLUMBIAN EXCHANGE

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
Before 1492, there was already an exchange of food, animals, and plants among Europe, Africa, and Asia. Europe and Asia were connected by land, and Africa was a short sail away. But not many people thought there was any reason to sail across the Atlantic Ocean, because few people believed that there were more continents there. This kept the Americas apart from everyone else for a long time.Before 1492, the Americas were ____
A
connected
B
isolated
C
Either A or B
D
None of the above
Explanation: 

Detailed explanation-1: -In 1492, Columbus brought the Eastern and Western Hemispheres back together. The resulting swap of Old and New World germs, animals, plants, peoples, and cultures has been called the “Columbian Exchange.” Humans from Asia probably first entered the Western Hemisphere between 20, 000 and 30, 000 years ago.

Detailed explanation-2: -The historian Alfred Crosby first used the term “Columbian Exchange” in the 1970s to describe the massive interchange of people, animals, plants and diseases that took place between the Eastern and Western Hemispheres after Columbus’ arrival in the Americas.

Detailed explanation-3: -The Columbian Exchange caused population growth in Europe by bringing new crops from the Americas and started Europe’s economic shift towards capitalism. Colonization disrupted ecosytems, bringing in new organisms like pigs, while completely eliminating others like beavers.

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