"I felt that with such a tidal wave of support behind me, I was guaranteed to win." What kind of supporting material is used this sentence?

Name: "I felt that with such a tidal wave of support behind me, I was guaranteed to win." What kind of supporting material is used this sentence?
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Question

Quizplus · Accepted Answer

The sentence uses a metaphor by comparing the support received to a "tidal wave" without using "like" or "as," which would indicate a simile.

"I Felt That with Such a Tidal Wave of Support