During the summer break, the 15-Minute History team will be republishing some of your favorite episodes. This episode originally aired on February 9, 2026.
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American progressives at the turn of the 20th century saw major flaws in the United States Constitution and worked to correct them through the process of amendments. Each one was the subject of debate and controversy, and all four made measurable changes to American society (though one can debate the merits of some). Join us for this survey of the four progressive amendments--as well as a funny story from Jon's classroom--and tune in next week for our discussion about how these amendments shaped the future course of American history.