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Weegy: The strain of tobacco cultivated by Rolfe was the export cash crop that helped make the Virginia Colony profitable. It was the mainstay of the farming plantations for generations. [ Huge warehouses, such as those on Richmond's Tobacco Row, attest to its popularity. Even almost 400 years later, tobacco figures prominently in Virginia's economy. ] (More)

Weegy: The Columbian Exchange was a dramatically widespread exchange of animals, plants, culture, human populations (including slaves), communicable disease, and ideas between the Western and Eastern Hemispheres. [ The contact between the two areas circulated a wide variety of new crops and livestock which supported increases in population in both hemispheres. Explorers returned to Europe with maize, potatoes, and tomatoes, which became very important crops in Eurasia by the 18th century. Similarly, Europeans introduced manioc and the peanut to tropical Southeast Asia and West Africa, where they flourished and supported growth in populations on soils that otherwise would not produce large yields. ] (More)

Weegy: The largest of the five so-called "civilized tribes" was the Cherokee tribe. (More)

Weegy: In a free election in 1989, Lech Walesa came to power in Poland. (More)