Complex sentence: In 1872 he ran for President of the United States as an independent candidate; that year he was jailed for defending Victoria Woodhull against obscenity charges for an issue her newspaper had published on an alleged adulterous affair.
Split into simpler sentences: In 1872 he ran for President of the United States as an independent candidate. That year, he was jailed for having defended Victoria Woodhull against obscenity charges for an issue her newspaper had published on an alleged adulterous affair.