Answer:
C. The damage to all living things caused by insecticides
Explanation:
Late in the 1950s, Carson turned her attention to conservation problems, the ones that she believed were caused by synthetic pesticides. In 1962, she wrote a book about her findings titled "Silent Spring", which brought environmental concerns to the American limelight. Silent Spring was met with fierce opposition by chemical companies, but it still went on to spurr a reversal in national pesticide policy, which led to a nationwide ban on DDT and other pesticides. And it also inspired a grassroots environmental movement that led to the creation of the U.S. Environmental Protection Agency.
 
        
                    
             
        
        
        
A poster describing why it would be good and use the guilt trip it’s is your country to protect ur family and but a solider pointing
        
                    
             
        
        
        
Well I"m in Middle School but I'm 99.99% is <span>The United States had reverted to a policy of isolationism, and therefore remained neutral. </span>