Complex sentence: Baker was narrowly beaten in the 1943 federal election by Charles Adermann of the Australian Country Party, becoming the only Labor incumbent to be defeated in an election that saw Labor win its most-ever seats in the House at the time.
Split into simpler sentences: Baker was narrowly beaten in the 1943 federal election by Charles Adermann of the Australian Country Party. He was the only Labor incumbent to be defeated in an election that saw Labor win its most-ever seats in the House at the time.