Oppression. Many symbolic similarities in "Master Harold...and the boys and the boys" by Athol Fugard, and "Like Water for Chocolate" by Laura Esquivel

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…discrimination. The difference between them were that after Sam protested, he was still treated the same, were as when Tita rebelled, she was set free. The ad thing about all this is that, Sam's example is what happens in the real world. Maybe people can learn from these novels and stop discriminating people because they were born in class were they are expected to do perform only certain roles in society, or obey certain people.