 Complete the following phrase:  Gilberts by-election victory in DrummondArthabaska, a riding once held by Laurier himself, was interpreted as a sign that the once solid support for Lauriers Liberals in Quebec was eroding, a trend that would contribute to Lauriers defeat at the hands of Robert Bordens Conservatives in the 1911 federal election. Gilberts victory also indicated a growing nationalist mood in Quebec, which would later erupt in the 