Answer:
CCC ( Civilian Conservation Corps)
Explanation:
It is a work relief scheme which gave millions of young men jobs in environmental projects during the Great Depression was the Civil Conservation Corps (CCC). Some regard it as one of the Roosevelt's most successful New Deal Projects, during the Nine years it was operating in more than 3 billion trees and building trails and shelters. The CCC has helped shape the modern systems we have in our national and state parks.