What English religious movement was critical to the social reform movement in the British Empire by the beginning of the 19th century? AP World History Chapter 24 What English religious movement was critical to the social reform movement in the British Empire by the beginning of the 19th century? a. Separatist b. Evangelical c. Baptist d. Calvinist e. Erastian Answer: B Learn More : Share this Share on FacebookTweet on TwitterPlus on Google+