Increasing the powers of workers and farmers.
some of there contributions include the aqueducts, public baths, markets, and juries...etc.
Since 1862, no Senator has been expelled, though there were multiple efforts over the course of time but never were they successful. In 1797 a Senator was expelled for the charges of treason and then in 1861-62 fourteen more met the same fate for joining and helping <span>Confederacy in the Civil War.
So its been about 155 years :)</span>