The Teamsters workers’ union has launched campaigns to organize employees in at least nine Canadian facilities of U.S. e-commerce company Amazon.com, according to Reuters interviews with union officials. The influential union took the first step earlier this week to organize employees at one of Amazon’s Canadian facilities, and the interviews reveal it is widening such efforts across the country, where the e-commerce company employs about 25,000 workers and plans to add 15,000 more. The campaigns could be seen as a bet by the Teamsters that early success unionizing employees in a more labor-friendly market such as Canada will inspire similar results south of the border, where Amazon has so far fended off unionization attempts. In the latest challenge to Amazon’s anti-unionization stance, Edmonton, Alberta’s Teamsters Local Union 362 filed for a vote on union representation at a company fulfillment center in nearby Nisku late on Monday. Interviews with Teamsters units …