Complex sentence: William Henry Seward (May 16,1801October 10,1872) was an American politician, who served as the 12th Governor of New York, United States Senator and United States Secretary of State under Abraham Lincoln and Andrew Johnson.
Split into simpler sentences: William Henry Seward (May 16,1801October 10,1872) was an American politician from the state of New York. He served as the 12th Governor of New York, United States Senator and the United States Secretary of State under Abraham Lincoln and Andrew Johnson.