Complex sentence: He was admitted to the bar in 1910 and commenced practice in Indianapolis; he was a member of the Indiana Senate from 1914 to 1918, and was the Republican floor leader during the entire period.
Split into simpler sentences: He was admitted to the bar in 1910 and commenced practice in Indianapolis. Robinson was a member of the Indiana Senate from 1914 to 1918, and was the Republican floor leader during the entire period.