In the weeks leading up to the recent presidential inauguration in Washington, this country and an anxious world expected many different things from what

McKinley's tariff triggered retaliation from other nations. Prices rose, particularly for middle- and lower-income Americans, and political backlash followed.

Our 25th president loved tariffs, and oversaw an expansion of U.S. territory around the globe. But William McKinley is best remembered as being one of the four presidents that was assassinated.