The McKinley Tariff of 1890 raised import duties to nearly 50% on average, up from around 38% previously. As the House Ways and Means Committee chairman, McKinley argued that high tariffs were ...

Trump has dubbed McKinley the “tariff king.” McKinley referred to himself as “a tariff man, standing on a tariff platform.” ...

Rare propaganda stamps date to the First World War and the 1920s. These weren’t official post office stamps, they were ...