When a Country Offers Another Country the Same, Least-Restrictive Trade

When a country offers another country the same, least-restrictive trade policies that it offers to other nations within in a trade network, it is

A) using diplomacy.
B) conferring normal trade relations status.
C) treating the country as a "most favored nation."
D) offering the country its lowest tariff rates.
E) All these answers are correct.