Answer:
The spread of the bubonic plague from Central Asia into Europe decimated the populations but increased opportunities for the survivors. An enormous variety of new consumer goods, agriculture, weaponry, religion, and medical science became available in Europe.
Answer:
a method of sending signals along a wire
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.