Question: What battle took place east of the second-largest drainage system on the North American continent?
Sentence (from "Battle of Munford"): The Battle of Munford took place in Munford, Alabama, on Sunday, April 23, 1865, during the raid through the state by 1,500 Union Army cavalrymen under General John T. Croxton, part of the force participating in Wilson's Raid.
Relevant evidence: Yes