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This system was the main economic system between the New and the Old worlds which brought goods back and forth between the two continents.

Two-way trade

Three-way economics

Columbian Exchange

User Dmungin
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5 votes

Answer:

3. Columbian Exchange

Step-by-step explanation:

Not sure what to say but this is the correct answer. :)

User Joy
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Answer:

The Columbian exchange

Step-by-step explanation:

User Yeroon
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