Complex sentence: News of the presence of the patriot army in Guaranda had the intended effect: most of the towns in the highlands went on to proclaim their independence in quick succession, Latacunga and Riobamba doing it on November 11, and Ambato on November 12,1820.
Split into simpler sentences: News of the presence of the patriot army in Guaranda had the intended effect. Soon, most of the towns in the highlands proclaimed their independence in quick succession, Latacunga and Riobamba doing it on November 11, and Ambato on November 12,1820.