Heavy advertising alone made Lucky Strike the leading cigarette brand.

Evidence

In this way, George Washington Hill got what he wanted. By the end of the decade, Lucky Strike had overtaken Camel as the nation’s leading cigarette for no evident reason than its advertising spending. To succeed, propaganda must be total. But along the way, the campaign crossed some lines, resorting to the sort of dangerous misrepresentations that had made patent medicines so successful. — Tim Wu, The Attention Merchants, 244