Complex sentence: He was a leading candidate for the Republican nomination for president in 1920, but the delegates deadlocked over several ballots between Lowden and General Leonard Wood, resulting in party leaders meeting privately to determine a compromise candidate.
Split into simpler sentences: He was a leading candidate for the Republican nomination for president in 1920. Delegates at the Republican convention deadlocked over several ballots between Lowden and General Leonard Wood, resulting in party leaders meeting privately to determine a compromise candidate.