<span>The social criticism in Upton Sinclair's The Jungle was a response to the working conditions faced by immigrants.
Immigrants often have a difficult time getting accustomed to their new country and its culture, and the jobs are no different. Usually, the conditions they have to work under are quite difficult, which Sinclair is trying to convey in his work.
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Google this it brings up a quizlet
Many Western politicians together with many Germans and ordinary people in the West, as well as in the East, called this wall the wall of shame. It was called like this because an actual wall was built in the middle of a very important and historically significant city to divide it into two halves.
The correct answer for your case is C - many called it a 'wall of shame'.
They needed the nile river for food purposes like fish. and to plant their crops.they also needed the nile as a water source. hope this hlps