Original sentence: Assistant Postmaster General from 1921 to 1922 and  Postmaster General from 1922 to 1923, under  President Harding.Work was active in the  Republican Party, having served as the Colorado state chairman in 1912
Edited sentence: Assistant Postmaster General from 1921 to 1922 and Postmaster General from 1922 to 1923, under President Harding.Work was active in the Republican Party, having served as the Colorado state chairman in 1912