Complex sentence: The school was a model for local CPUSA training centers in other American cities and provided the direct inspiration for the New Workers School established by the breakaway Communist Party (Majority Group) headed by Jay Lovestone and Benjamin Gitlow after they left the Communist Party in 1929.
Split into simpler sentences: The school was a model for local CPUSA training centers in other American cities. It also provided the direct inspiration for the New Workers School established by the breakaway Communist Party (Majority Group) headed by Jay Lovestone and Benjamin Gitlow after they left the Communist Party in 1929.