 As the Cold War grew <unk> after 1947 , Innis grew increasingly hostile to the United States . He warned repeatedly that Canada was becoming a <unk> colony to its much more powerful southern neighbor . " We are indeed fighting for our lives , " he warned , pointing especially to the " <unk> influence of American advertising .... We can only survive by taking persistent action at strategic points against American imperialism in all its attractive <unk> . " His anti @-@ Americanism influenced some younger scholars , including Donald Creighton . 
