Complex sentence: But David II's approach was indirect, and the English had time to muster forces of their own, and these armies engaged in the Battle of Neville's Cross on 17 October 1346, near Durham.
Split into simpler sentences: But David II's approach was indirect, and the English had time to muster forces of their own. These armies engaged in the Battle of Neville's Cross on 17 October 1346, near Durham.