Progressive Amendments

During the Progressive Era there were a few new amendments that were passed. The sixteenth amendment was passed in 1913, this amendment granted congress the power to tax income. The seventeenth amendment was also passed in 1913. This amendment weakened the power of political machines. It allowed state citizens to directly elect representatives to the United States senate, instead of allowing party controlled state legislatures to do so. The eighteenth amendment was passed in 1919 and it prohibited the making, selling and transportation of alcohol. The nineteenth amendment was one more law passed during the progressive era, it was passed in 1920. This amendment provided females the right to vote.

http://caselaw.lp.findlaw.com/data/constitution/amendment16/