Hi there!
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I believe your answer is:
The first option.
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Here’s why:
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- As given in the question, the root 'bel' means war.
- A rebellion would involve opposition against someone.
- The most accurate definition would be the first one, "the act of rising up in armed opposition (this would refer to war) to the government."
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Hope this helps you. I apologize if it’s incorrect.
