Complex sentence: The conflict between Cuba's liberal and moderate parties began during the presidential election of September 1905, in which Tomas Palma and his party rigged the election to ensure victory over the liberal's candidate, José Miguel Gómez.
Split into simpler sentences: The conflict between Cuba's liberal and moderate parties began in September 1905 during the presidential election. During which Tomas Palma and his party rigged the election to ensure his victory over the liberal's candidate, José Miguel Gómez.