Complex sentence: Ward himself joined the fledgling Amalgamated Meat Cutters and Butcher Workmen of North America in a show of solidarity with his parishioners and joined the Civic Club of Chicago, where he became the chairman of its Committee on Labor Conditions.
Split into simpler sentences: Ward himself joined the fledgling Amalgamated Meat Cutters and Butcher Workmen of North America in a show of solidarity with his parishioners. He also joined the Civic Club of Chicago, where he became the chairman of its Committee on Labor Conditions.