The coast to coast Indigenous alliance against Tar Sands expansion and its pipelines / trains / tankers was solidified further on September 30, 2015 when Grand Chief Serge Simon of the Mohawk Council of Kanesatake, Grand Chief Derek Nepinak of the Assembly of Manitoba Chiefs and Chief Arnold Gardner of Eagle Lake First Nation were invited to address the 47th Annual Chiefs-in-Assembly of the Union of BC Indian Chiefs.