He conserved forests and wildlife after Harold Ickes convinced him to build a wildlife reserve.
Well the CCC gave lots of jobs to people during the depression, so during WWII, when Men were away at war, Women somewhat stepped into the Men's shoes at jobs such as in factories, this is also where we start to see the development of Rosie the Riveter, a tough factory woman; this painted a new image for woman as well, since before then their common spot was at home.
They knew the land,and had the homefield advantage.
C, because it shows you the Earths surface. hope this helps.