The answer is either B or D
. After being elected as the thirty-second president of the United States in 1932, he used his new home at Warm Springs, "The Little White House," as a retreat from the rigors of leading a nation through the Great Depression. He died there in 1945. To a generation of west Georgians, he was both the president and a trusted friend who could be seen waving as he passed by in his convertible or rode by in a train on his way to the nation's capital.
Answer: Hot air is less dense than cool air; the heated air causes the balloon to rise simply because it is lighter than an equal volume of cold air. Buoyancy is an upward force that the air exerts, and it helps hot-air balloons and blimps stay in the air. A hot air balloon uses a burner to heat up the air inside the balloon.
Answer: it decreased the number of merchants?
Explanation:
