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.
Answer:
At sawmills, they used windmills to grind grain, pump water and cut wood.
Explanation:
The American colonists used the power generated by windmills at the sawmills to make the work eaiser and faster (and didn't need to use manpower or horsepower). The windmills power ground the grain between stones, pumped the water into the mills and could even cut wood.
The answer is China.
However, while it is true Chinese men made up a large number of miners, overall, there was a large mix of migrants from within the US and other parts of the world as well.
European immigrants who had just reached the United States from the east coast, quickly set out for the Oregon Gold Rush as well.
This was part of the larger Gold Rush taking place in the States of Montana, Idaho and Colorado in the 19th Century.
The Gold Rush was one of the reasons for these far flung areas becoming permanently settled.
They are significant because they help show how early humans lived their lives and told story's and showed how they lived.
Verticle and horizontal integration basically just gave companies more control over more parts of their product. For example, instead of only owning the plant that say produced cars, the company would also own the mines where they got the metal to make the cars and they would own everything from the raw materials to the final product. It could also edge out competition leading to a powerful monopoly.
