Complex sentence: Hepburn resigned and was eventually succeeded by Harry Nixon in early 1943 but the change in leadership was not enough to save the government and the election held later that year saw the Conservative Party, recently renamed the Progressive Conservative Party, win a minority government.
Split into simpler sentences: Hepburn resigned and was eventually succeeded by Harry Nixon in early 1943. The election held later that year resulted in the Conservative Party, recently renamed the Progressive Conservative Party, winning a minority government.