For which two reasons did Lowe favor "captive" balloons

Thaddeus Lowe's operations in his ground service's first months indicate considerable improvement in developing and understanding the observation balloon a significant and useful complement to the army service. He favored the captive balloons because:

abraham lincoln  (february 12, 1809  – april 15, 1865) was an american statesman, politician, and lawyer who served as the 16th  president of the united states  from 1861 until  his assassination  in april 1865. lincoln led the nation through the  american civil war, its bloodiest war and its greatest moral, constitutional, and political crisis.[2][3]  he preserved the  union,  abolished slavery, strengthened the  federal government, and modernized  the u.s. economy.

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