Complex sentence: Whittlesey worked her entire adult life, including when pregnant and after her husband died in 1974, canvassing door-to-door for her 1972 legislative race while pregnant with her third child, William.
Split into simpler sentences: Whittlesey worked her entire adult life, including when pregnant and after her husband died in 1974. She canvassed door-to-door for her 1972 legislative race while pregnant with her third child, William.