Read this excerpt from a letter by civil war soldier sullivan ballou:

i have no misgivings about, or lack of confidence in the cause in which i am engaged, and my courage does not halt or falter. i know how strongly american civilization now leans on the triumph of the government and how great a debt we owe to those who went before us through the blood and sufferings of the revolution. and i am willing—perfectly willing—to lay down all my joys in this life, to maintain this government, and to pay that debt.

why is this letter an important primary source document?

it is important because you need it

Explanation: because it is primary

answer: born in saint-dié, in the vosges department, france, he studied law, and was called to the bar at paris in 1854,[2] but soon went into politics, contributing to various newspapers, particularly to le temps. he attacked the second french empire with great violence, directing his opposition especially against baron haussmann, prefect of the seine department. a series of his articles in le temps was later republished as the fantastic tales of haussmannlaxupa (1868).[2]

explanation:

independent innovation during the abbasid caliphate