Complex sentence: The Lombard reconnaissance and the 300 Imperial vanguard clashed, the clash was brief and bloody and with Frederick already on the horizon, the Lombard reconnaissance broke off and fled beyond Borsano.
Split into simpler sentences: The Lombard reconnaissance and the 300 Imperial vanguard clashed. The clash was brief and bloody and with Frederick already on the horizon, the Lombard reconnaissance broke off and fled beyond Borsano.