Original sentence: He passed through the Socialist Party of America and the Industrial Workers of the World, as well as leading the drive to organize the packinghouse industry during World War I and leading the steel strike of 1919 before joining the Communist Party in 1921
Edited sentence: In many ways a syndicalist at heart, he passed through the Socialist Party of America and the Industrial Workers of the World, as well as leading the drive to organize the packinghouse industry during World War I and leading the steel strike of 1919 before joining the Communist Party in 1921