Walter George and Eugene Talmadge were against Franklin Roosevelt's policies regarding new deal and by his reforms in general, and since they were influential in the congress they could pose a problem. He supported Lawrence Camp because Camp was a trusted man and would support FDR's policies and FDR could help elect him through his presidential influence.
It would be D because it gives the most background and summary info to the questions
To not stay in the heat too long and drink a lot of water
Battle of Vicksburg...............