The Senate failed to act on the modifications, and the United States never joined the World Court. Main article: United States presidential election, 1924. The nation initially did not know what to make of Coolidge, who had maintained a low profile in the Harding administration; many even expected him to be replaced on the ballot in the 1924 presidential election. Main article: United States presidential election, 1924. The nation initially did not know what to make of Coolidge, who had maintained a low profile in the Harding administration; many even expected him to be replaced on the ballot in the 1924 presidential election. The 1923 United Mine Workers coal strike presented an immediate challenge to Coolidge, who avoided becoming closely involved in the strike. Pennsylvania Governor Gifford Pinchot, a progressive Republican and potential rival for the 1924 presidential nomination, quickly settled the strike with little input from the federal government.