Answer:
Juan Thomas means when he says "the structure" is that the poor people are cheated from birth, but they made it through it. He is scared for Kino. It is important to the story because it foreshadows the things that happen to Kino.
Assuming that this is the story of modernist writer, the thing that Evelyn and doreene's mother do before they left is : they collected personal property from the people who owned them money before they finally left their current residence to Oklahoma
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Endure unjust acts in male-dominated societies." is the answer
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