Complex sentence: A prominent early Republican and supporter of President Abraham Lincoln, he became consul to the Kingdom of Hawaii in August 1861, but was removed from office in 1867 after substantiation of corruption allegations, and died shortly after returning to Wheeling.
Split into simpler sentences: A prominent early Republican and supporter of President Abraham Lincoln, he became consul to the Kingdom of Hawaii in August 1861. However, Caldwell was removed from office in 1867 after substantiation of corruption allegations, and he died shortly after returning to Wheeling.