Answer:
1) It means you're standing up for what you believe in or something that is fact.
2) what might the cause be
3)They build underlying assumptions that the audience is likely to accept. They might try to enhance the audience's interest by making them relate in the logical and emotional aspect of the subject by appealing to shared beliefs, experiences and values.
4)it is because while they are reading they need you to prove them your right
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Step-by-step explanation: