The first 1 and the least one! :)
Because the US was afraid, they gave very little power to the central government.
The answer is: c. The demand for unskilled labor will go down.
When the minimums wage go up, many small business would not be able to afford unskilled labor that they need to maintain their operation. These critics believe that this will directly resulted to an increase in unemployment rate in the country and lead to economic stagnation in the long run.
Spontaneous recovery means the reappearance of a previous extinguished response. For instance, Jon is scared of dogs because he thinks they look angry. After a long treatment, he finally gets used to play with the dogs. He is no longer afraid of dogs. However, one day he saw a dog walking towards him, he suddenly started to fear again. His fear was extinguished after the treatment, but he suddenly recovered that response again. This is more of an one time event.
Peter the Great was Tsar of all Russia from 1682-1721 and then emperor of Russia from 1721 until his death in 1725.