Question

Supporters of the Tariff of 1890, also called the "McKinley Tariff," argued that such measures would protect domestic industries from foreign competition by

Answer 1

This was one of the major movements in underlining the American economy. There was a change in the art of production, shifting, international trade process and rearrangement of machinery by the state which implied that the changes would be good for the inhabitants of the land.  It stopped the foreign intrusion of goods.