Complex sentence: Sarah Blakesley Chase (also spelled Sara Blakelee; born January 18,1837 in Clermont County, Ohio), had been known for the continuous battle with Anthony Comstock for the selling of contraceptive devices over state borders.
Split into simpler sentences: Sarah Blakesley Chase (also spelled Sara Blakelee; born January 18,1837 in Clermont County, Ohio). She had been known for the continuous battle with Anthony Comstock for the selling of contraceptive devices over state borders.