Question 3 The main motivation behind American immigration to Canada was the Gold Rush. False. The largest waves of American immigration to Canada included: the Loyalists, in response to the American Revolution; Black slaves, fleeing the fugitive slave laws; farmers, looking for open land in the frontier; sectarian groups such as Mennonites and Hutterites, seeking religious freedom; and war resistors trying to escape the draft and find political refuge from the U.S. involvement in the Vietnam War. Next question