Complex sentence: As the sun caught the stalks, the British thought Washington had received reinforcements and fresh supplies and the British troops, thinking that they were outnumbered, slipped off to New Brunswick leaving Washington to continue to Morristown.
Split into simpler sentences: As the sun caught the stalks, the British thought Washington had received reinforcements and fresh supplies. The British troops, thinking that they were outnumbered, slipped off to New Brunswick leaving Washington to continue to Morristown.