sentences:  The Parliamentarian army and its trained band reserves had effectively been lured out of a strong position behind the London defences, into open country where they could be more easily defeated.Against a Parliamentarian army some 14,500 strong, the Royalist army of 9,000 infantry and 6,000 cavalry was slightly inferior in the quantity of infantry but superior in cavalry by a factor of three to two.The arrival of additional guns ordered from Oxford during the siege gave the Royalists parity in artillery.