Question: Martin Franklin Conway was a U.S. congressman, consul to France, abolitionist, and advocate of which movement in Kansas, the movement was by those settlers in Kansas Territory during the Bleeding Kansas era in the 1850s who opposed the extension of slavery to Kansas?
Sentence (from "New England Emigrant Aid Company"): Created by Eli Thayer in the wake of the Kansas-Nebraska Act, which allowed the population of Kansas Territory to choose whether slavery would be legal, the Company is noted less for its direct impact than for the psychological impact it had on proslavery and antislavery elements.
Relevant evidence: No