The answer is c)
Explanation:
Americans worked hard in factories to produce more equipment for the war effort.
Due to the to the heavy amount of trash in the lake, they forbid you from bringing food into the park.
17. A synonym of <em><u>request</u></em><em> </em>would be complain
19. A synonym of <em><u>tree</u></em> would be willow
Hope this helps
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