Complex sentence: Published weekly by the mercurial Davin, it almost immediately achieved national prominence during the Northwest Rebellion and the subsequent trial of Louis Riel when Davin's immediate access to the developing story provided scoops which were picked up by the national press.
Split into simpler sentences: Published weekly by the mercurial Davin, it almost immediately achieved national prominence during the Northwest Rebellion and the subsequent trial of Louis Riel. Davin had immediate access to the developing story which gave scoops which were picked up by the national press.