High protective tariffs prevent competition from outside, and production is controlled through a regulated quota system. (macleans.ca)
Behind protective tariffs, industries were being built to supply consumers with substitutes for imported goods. (religion-online.org)
Trump has launched, but not landed, various trade initiatives: withdrawal from the Trans - Pacific Partnership, protective tariffs on steel and aluminum, confrontation with China and renegotiation of the North American Free Trade Agreement. (cnbc.com)