Answer:
Metaphor
Explanation:
When the word tsunami is used, it means that it would be a metaphor.
<span>The American cinquain has a specific meter.</span>
Since it's declarative, it ends with a period. We should add some commas as well.
<em>S</em>chool began on a cold<em>,</em> <em>S</em>eptember morning<em>.
</em>
That should work.
