Yes he did. This was an issue of the republican party and
Harrison voted along party lines for healthy pensions for Civil War
veterans and widows of fallen soldiers.
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There are no living vets and the last widow died last year.
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Charles J. Murphy has written:
'Reminiscences of the Mexican and civil wars' -- subject(s):
History, Mexican War, 1846-1848, Military pensions, Personal
narratives, United States Civil War, 1861-1865