A nonlinear function is a function with an order or the highest degree among the variables not equal to 1. In this case, we can expect the form to be that like in A, B and D. The x-variable should have an exponent of 1 to be able to be called linear. In this case, the answer to this problem should be C.
Answer:
a united nation with slavery only in the south
Immigrants that first arrived in the United States may have felt hopeful - Here was there chance to start anew in another land! Free to exercise their own rights!
However, newly arrived immigrants may also have felt anxious. They didn't know the lay of the land, they weren't aware of all of the laws, and they also had to deal with the natives accusing them of stealing work simply because the immigrants would work for a lower pay.