Peter T. Washburn graduated from Dartmouth College in 1835 and began practicing law in Ludlow, Vermont, after being admitted to the bar in 1838. He held various roles in the Vermont House of Representatives and became active in the Republican Party in 1855. Washburn's military career included commanding a Vermont militia regiment and organizing the state's participation in the Civil War, culminating in his role as adjutant general. He served as governor of Vermont from 1869 to 1870, during which he enacted significant state reforms and recognized the contributions of Ann Eliza Smith.

Peter T. Washburn's political identity is marked by a blend of military leadership and progressive governance. His strategic philosophy reveals a calculated approach to regional interests, as evidenced by his unexpected support for extending state office terms. Washburn's rhetorical style is steeped in a respect for both tradition and innovation, balancing his military accolades with forward-thinking policy decisions. His appointment of Ann Eliza Smith as brevet lieutenant colonel highlights a commitment to recognizing individual valor, juxtaposing his otherwise pragmatic governance.