Complex sentence: North was the second British Prime Minister to be forced out of office by a motion of no confidence, resigning on 20 March 1782 on account of the British defeat at Yorktown the year before.
Split into simpler sentences: North was the second British Prime Minister to be forced out of office by a motion of no confidence. Lord North resigned March 20,1782 on account of the British defeat at Yorktown the year before.