Why were the hot air balloons useful to the union

during the american civil war, the union troops used hot air balloons to spy on confederate troops. they suggested that the military should create the balloon corps under the command of thaddeus lowe to do some “aerial reconnaissance” for the union.apr 1, 2014

explanation:

allowed the union to fly over confederate lines and scout their position

speed =5445/33=165 mpm

the supreme court should use its power to interpret u.s. laws to protect citizens from injustice.

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