Its number 1) the semicolon one
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:
brainly.com/question/3416193
The right answer for the question that is being asked and shown above is that: "D. Building levees along the coast that prevent flooding." In order for New York City to remain intact, one task that city workers must regularly perform, according to Weisman is building levees along the coast that prevent flooding