Question: John Brown, was an American abolitionist who believed and advocated that armed insurrection was the only way to overthrow the institution of slavery in which location, during the Kansas campaign, Brown commanded forces at which battle that took place on June 2, 1856, when anti-slavery forces, led by the noted abolitionist John Brown, attacked the encampment of Henry C. Pate near Baldwin City, Kansas?
Sentence (from "John Brown Museum"): The site is operated by the Kansas Historical Society, and includes the log cabin of Reverend Samuel Adair and his wife, Florella, who was the half-sister of the abolitionist John Brown.
Relevant evidence: No