 While his Van Dyke cabs were forming a near monopoly over the taxi industry, Montana knew he could control a complete monopoly if the city were allowed to operate all the cabs as public transportation – this would be a legal monopoly.Besides having an influential hand in city and state politics, Montana was known in Republican circles throughout the nation.In June 1936, the Republican National Convention met in Cleveland as they do every four years to nominate a top candidate from the party.