What was the main environmental goal of New Deal projects such as the Civilian Conservation Corps

and the Works Progress Administration (WPA) ?

A. to expand the number of national parks, cemeteries, and memorials in the country

B. to remove invasive plants and insects that killed trees from infested areas

C. to protect the country's natural resources and use them more efficiently

D. to create a windbreak that would prevent future dust storms by planting trees