Answer:
Hispanic Americans, also referred to as Latinos, served in all elements of the American armed forces in the war. They fought in every major American battle in the war. Between 400,000 and 500,000 Hispanic Americans served in the U.S. Armed Forces during World War II, out of a total of 16,000,000
Restrictive clauses are essential for the meaning of a sentence and are never separated from the rest of the sentence using commas, unlike the nonrestrictive ones.
The sentences that contain a restrictive clause are 1 and 3.
Because in sentence 1, The writer stated "That we found in the shed".
Also in sentence 3, The writer stated "That I grew up in".
These are important to in order to understand the whole sentence and cannot be deleted.
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