Explain the significance of william howard taft ,sixteenth amendment, seventhe amendment, clayton antitrust act, federal reserve act

William Howard became the only man in history to hold the highest post in both executive and judical branches in the U.S government.
The 16th amendment is an amendment that allows the federal government to levy an imcome tax from all americans.
The 17th amendment is important because it allowed the people of each state to choose who would represent the state in the U.S.
The Clayton Antitrust Act is an amendment passed by the U.S. Congress in 1914 that provides further clarification and substance to the Sherman Abtitrust Act.
The Federal Reserve Act was created by the congress to to provide a safer,more flexible,and more stable monetary and financail system.

The correct answer is "the protesters were attacked by chinese troops and many were killed or arrested."