Complex sentence: In 1992, Schoemehl promised to complete the Mall before he left office, and in 1994, the two blocks between 8th and 10th streets were cleared for the mall, which removed the landmark Western Union Building.
Split into simpler sentences: In 1992, Schoemehl promised to complete the Mall before he left office. In 1994, his administration cleared the two blocks between 8th and 10th streets for the mall, in the process removing the landmark Western Union Building.