The oppression strengthened and improved the relationship between Elie and his father.
Although you have not shown the text that this question refers to, we can say, through questions similar to yours, that this question refers to the book "Night" written by Elie Wiesel.
In this book, we are presented with the following information:
Thus, we can conclude that the oppression experienced by Elie and his father improves their relationship, because it brings them closer to each other.
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