<span>Floods provided water for crops.
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I have no clue about this one
Answer:
A
Explanation:
ITS A I GOT THE ANSWER RIGHT ON A TEST
The Columbian Exchange was when the old world (Europe) trade with the new world (America) items. for example: Old World had horses. So if Europe never came to America... we wouldn't have them. Or new world had tomatoes. If Europe didn't have tomatoes... We wouldn't have pizza or delicious Italian goods.