Dickinson ran as a supporter of the controversial Smoot - Hawley Tariff Act .
Dickinson defeated sitting Iowa Governor John Hammill and two others in the Republican primary , and easily defeated Steck in the general election .
Running as a supporter of the controversial Smoot - Hawley Tariff Act , Dickinson defeated sitting Iowa Governor John Hammill and two others in the Republican primary , and easily defeated Steck in the general election .