What is the "sole thought" in Orwell's mind?

In concrete mixers what seems to be the speakers feeling about the concrete mixers

For frederick douglass’s address, “what to the slave is the fourth of july? ” (1852)1) does the speaker use fallacious reasoning or logical fallacies? use evidence from the text to support your answers. 2) how effective is the speaker’s response to counterclaims or alternate claims? use evidence from the text to support your answer

In the following line, "so many crazed men, so much shouting, so much brutality, " what type of rhetorical feature is wiesel using to emphasize the image?