Complex sentence: Carlson's election followed a scandal arising after the initial Republican nominee, businessman Jon Grunseth, was accused of sexual improprieties that occurred several years prior with two then-underage girls and withdrew from the race nine days before the election.
Split into simpler sentences: Carlson's election followed a scandal arising after the initial Republican nominee, businessman Jon Grunseth, was accused of sexual improprieties that occurred several years earlier with two then-underage girls. Grunseth withdrew from the race nine days before the election.