Answer:
a. diminishing voter participation in elections.
Step-by-step explanation:
The 1896 election saw the victory of William McKinley over the Democratic and Populist candidate William Jennings Bryan. McKinley won the popular vote as well as the Electoral College. McKinley belonged to the Republican Party, and his victory ushered an era of dominance of this party. McKinley also brought changes in government such as increased protectionism and a new way of thinking about political campaigns.