Original sentence: It was considered to be an intrusion by the federal government in an area of provincial responsibility.Neither, however, has the Liberal Party of Canada enjoyed much success in Alberta (outside of Edmonton) since that time.This led some Albertans to advocate separation of the province from Canada but this advocacy (despite occasional surges in interest) has never resulted in electoral success
Edited sentence: Due in part to the anti-Liberal backlash at the time, the Liberal Party of Canada has had few successes in Alberta outside of Edmonton since that time.It was considered to be an intrusion by the federal government in an area of provincial responsibility and led a few fringe Albertans to consider separation of the province from Canada.There have been occasional surges in interest since then in the idea of seceding from Canada, but this movement is on the political fringe and had never elected a single MLA