Complex sentence: Cromwell held Pembroke, Fairfax held Colchester, and Lambert held the besieged Pontefract; elsewhere all serious local risings had collapsed, and the Scottish army had crossed the Border.
Split into simpler sentences: Cromwell held Pembroke, Fairfax held Colchester, and Lambert held the besieged Pontefract. Elsewhere all serious local risings had collapsed, and the Scottish army had crossed the Border.