Complex sentence: The kings force of Dragoons under Churchill continued to close on Monmouth arriving in Chard on 19 June and, with the local militias attempted to stop new recruits arriving in Taunton to join Monmouth.
Split into simpler sentences: The kings force of Dragoons under Churchill continued to close on Monmouth, arriving in Chard on 19 June. With the local militias assistance they attempted to stop new recruits arriving in Taunton to join Monmouth.