Complex sentence: The refusal of the manufacturers to pay this price infuriated the workers, who went into open revolt, seizing the arsenal and repulsing the national guard and military in a bloody battle, leaving the insurgents in control of the town.
Split into simpler sentences: The refusal of the manufacturers to pay this price infuriated the workers, who went into open revolt. They seized the arsenal and repulsed the local national guard and military in a bloody battle, which left the insurgents in control of the town.