Pls me guys you guys are da ones : )

What does a most-favored-nation (mfn) status mean? a country pays the same tariffs as those paid by all mfn countries. a country has a special exemption from all tariffs in the united states. a country has special licensing agreements with u.s. corporations. a country is exempt from product standards that make it expensive for goods to be imported.

The principal effector function of igm is

Arecent challenge to the european union created by a member state is?