williamstafford363 williamstafford363 26-02-2019 History contestada Fast, please! Which was proposed as part of the Wilmot Proviso? A.) Congress would ban slavery in all territory acquired by the U.S. as a result of the Mexican-American War. B.) Congress would allow slavery in those territories acquired as a result of the Mexican-American War only if slavery already existed there. C.) Congress would allow slavery in all territory acquired by the U.S. as a result of the Mexican-American War. D.) The Missouri Compromise would be extended to apply to all territory acquired as a result of the Mexican-American War.