The New England Emigrant Aid Company (originally the Massachusetts Emigrant Aid Company) was a transportation company founded in Boston, Massachusetts by activist 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's ultimate purpose was to transport anti-slavery immigrants into the Kansas Territory. The Company believed that if enough anti-slavery immigrants settled en masse in the newly-opened territory, they would be able to shift the balance of political power in the territory, which in turn would lead to Kansas becoming a free state (rather than a slave state) when it eventually joined the United States. The New England Emigrant Aid Company is noted less for its direct impact than for