make money and ______ power at any cost.
Show answer & explanation
Correct answer: C
Explanation
The correct answer is option 3, i.e. gain.
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Retain means to keep possession of.
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Sustain means strengthen or support physically or mentally.
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Gain means btain or secure something wanted or desirable.
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Maintain means cause or enable a condition/situation to continue.
Power is a quality or status that can be maintained throughout one's life. The other options become incorrect because their meanings aren't appropriate to express the quality of power. It (power) is not a situation or possession, but is a wanted desire amongst people.