The Constitution is Expanded; 1865-70 - 13th, 14th, 15th Amendments: The Anti-Slavery Amendments; 1872 - Susan B. Anthony Fights for Women's Right to Vote; 1887 - The Interstate Commerce Act Opens the Door for Increased Federal Power; 1896 - Plessy v. Ferguson Establishes Separate but Equal for Black America; 1913 - 16th Amendment Creates the Income Tax; 1913 - 17th Amendment Allows for the Popular Election of Senators; 1918 - Prohibition and the 18th Amendment