Complex sentence: With the Caste War of Yucatán starting in the 1840s, all non-natives were driven from the region and the independent Maya nation of Chan Santa Cruz was centered on what is now the town of Felipe Carrillo Puerto.
Split into simpler sentences: With the Caste War of Yucatán starting in the 1840s, all non-natives were driven from the region. The independent Maya nation of Chan Santa Cruz was based on what is now the town of Felipe Carrillo Puerto.