The first blank is Harry Truman, who was President of the United States after FDR.
The second blank is the Soviets, since the Cold War was mainly characterised by the stalemate between the Communist superpower USSR and the democratic superpower US.
Answer:Periods of Earth's history with extensive sea ice result in enhanced albedo
Explanation:
The largest water reservoir is the ocean, containing 97.3% of all water on Earth.
i want to say it is D. because i believe that they are nocturnal animals and they are found in deserts.