The answer for your question is the Civil War A)
Answer:
At its height in 1919–1920, concerns over the effects of radical political agitation in American society and the alleged spread of communism and anarchism in the American labor movement fueled a general sense of concern
Explanation:
Its considered AWOL and punished by jail time. Technically, the maximum U.S. penalty for desertion in wartime remains death, although it hasn't happened since 1945. No US serviceman has received more than 18 months imprisonment for desertion or missing movement during the Iraq war. You will either get nonjudicial punishment or court martial.
Move west because they couldn't pass the mississippi and thought the soil would be bad for farming
Letters would be an example of a primary source