Trusten Polk graduated from Yale College and was admitted to the bar, subsequently relocating to St. Louis. He held the position of St. Louis City Counselor and participated in the Missouri State constitutional convention. Polk transitioned from private practice to public service, serving as a governor and later a United States Senator. His career included managing institutional risk in high-finance and a stint in the military, where he was captured and imprisoned before serving as a judge in a court-martial.

Trusten Polk's political identity is marked by a distinctive blend of rigid support for slavery and unexpected advocacy for temperance, revealing an ideologically complex figure. His legislative actions as Missouri Governor and Senator underscore a staunch defense of slavery, a rare stance even among his contemporaries. Despite this, Polk's leadership in the temperance movement indicates an intriguing duality in his policy preferences. His military service and subsequent imprisonment further complicate his narrative, suggesting a life driven by both ideological rigidity and personal sacrifice.