Complex sentence: Beaumont's downtown grew rapidly during the first decade after the 1901 strike., and after a second major strike at Spindletop in 1925, Beaumont had the largest skyline of any city between Houston and New Orleans by the end of the decade.
Split into simpler sentences: Beaumont's downtown grew rapidly during the first decade after the 1901 strike. After a second major strike at Spindletop in 1925, Beaumont had the largest skyline of any city between Houston and New Orleans by the end of the decade.