How the demand for slave labor change as the value of tobacco increased is: it increased.
Slave labor can be defined as the way of forcing slave to work by threatening them to work against their will.
When the value of tobaccos increase due to large demand, the effect was that slave labor increase based on the fact that the tobacco company was in need of slave that will work for them.
In a situation were the value of tobacco decrease their is tendency that salve labor will decrease as a result of low demand.
Therefore How the demand for slave labor change as the value of tobacco increased is: it increased.
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