The requirement often included in trade agreements that governments treat the products of foreign firms on an equal basis with those of domestic firms.
A policy that aims to benefit one country at the expense of others by mitigating economic issues internally, often worsening the issues for trading partners.
Instruments of import restriction that are not actually used unless considered necessary, particularly to protect domestic industries from import surges.
The UK Act of Parliament passed in 1932, which imposed a 10 per cent tariff on most items from non-Commonwealth countries, marking the end of the free trade era.