The sentence provided contains an error in segment D. The possessive form "peoples'" is incorrect in this context. To correct it, we need to use the plural form "people's" to indicate that the eyes of many individuals were opened to the evil and cruelty of slavery. The corrected sentence should read as follows:
21 Uncle Tom's Cabin, a novel
A
that was first published in
B
1852 and is still read today, opened
C
many people's eyes to the evil and cruelty
D
of slavery. Make no change
E
