Complex sentence: As delegates at the Consultation (provisional government) debated the war's motives, Texians and a flood of volunteers from the United States systematically defeated all the small garrisons of Mexican soldiers; by mid-December 1835 there were no remaining Mexican troops in Texas.
Split into simpler sentences: As delegates at the Consultation (provisional government) debated the war's motives, Texians and a flood of volunteers from the United States systematically defeated all the small garrisons of Mexican soldiers. By mid-December 1835 there were no remaining Mexican troops in Texas.