Changes in the wage rate (the price of labor) cause a movement along the demand curve. A change in anything else that affects demand for labor (e.g., changes in output, changes in the production process that use more or less labor, government regulation) causes a shift in the demand curve.
Changes in the wage rate (the price of labor) cause a movement along the supply curve. A change in anything else that affects supply of labor (e.g., changes in how desirable the job is perceived to be, government policy to promote training in the field) causes a shift in the supply curve.
Since a living wage is a suggested minimum wage, it acts like a price floor (assuming, of course, that it is followed). If the living wage is binding, it will cause an excess supply of labor at that wage rate.
Answer choice C: region 3
To prevent tyranny they drew on Montesquieus idea of Checks and Balances.
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They could now maintain a large army at the cost of the Indian states. This enabled them to fight wars far away from their own territories, since any war would occur in the territories either of the British ally or of the British enemy.
The invention to keep slavery profitable in the South was the cotton Gin.