Complex sentence: Led by local leaders associated with the Trotskyist Communist League of America, a group that later founded the Socialist Workers Party (United States), the strike paved the way for the organization of over-the-road drivers and the growth of the Teamsters union.
Split into simpler sentences: Led by local leaders associated with the Trotskyist Communist League of America, a group that later founded the Socialist Workers Party (United States). The strike paved the way for the organization of over-the-road drivers and the growth of the Teamsters union.