Complex sentence: The Commission was led by Maurice Pate and Chauncey McCormick with Hoover as Honorary Chairman and acting as fundraiser, getting help from governments and private charities as well as the American Red Cross.
Split into simpler sentences: The Commission was led by Maurice Pate and Chauncey McCormick with Herbert Hoover as Honorary Chairman and acting as fundraiser. Funding came from from governments and private charities as well as the American Red Cross.