Walking. Prehistoric humans came over on a land bridge between Russia and Alaska and worked their way down into south America.
Answer:
itatagalog ko nlanang po dahil po sa teknolohiya at lahat po ng sayantis ay maraming ng nagawa kaya may ibang ibang pagbabago sa 1900s? at ngayon katulad ng gadget at iba pa yung lang po
The establishment of "Tobacco as a major Cash Crop" is the right answer.
John Rolfe introduced Tobacco (a commercial crop) in the colony of Virginia in 1612. During the course of time, Tobacco became the basis of the Economy of Colonial Virginia. The cultivation of tobacco required a big labor force, hence, the colonists used to purchase the bound servants and slaves to cultivate it.
