The Progressive Era Witnessed the Implementation of All but Which

The Progressive Era witnessed the implementation of all but which of the following measures?

A) extension of voting rights to women
B) a constitutional amendment allowing the government to tax citizens' income
C) the passage of the Pure Food and Drug Bill, which established the Food and Drug Administration
D) a change in voting procedures to allow citizens to elect U.S.senators directly instead of through their state legislatures
E) effective federal laws to ensure that African American citizens could exercise their constitutional right to vote