The veterans' efforts were: B. acknowledged.
<h3>What is an acknowledgment?</h3>
An acknowledgment is a recognition of the efforts of a person or organization. Given the content of the passage above, we can conclude that the efforts of the veterans were acknowledged.
The acknowledgment can be seen from the ceremony organized by the government to recognize their efforts.
Learn more about war veterans here:
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School it says school children and they are thinking about the places
Grad Canyon is a name: so both words have to be capitalized (A. and E.)
Arizona is also a name ( of a state) so it has to be capitalized (B.)
rocks and view don't need to be capitalized- so the final answer is A, B and E.