The term free trade can be best described as
a. the government promotion of private businesses.
b. full government control of imports and exports that. contribute to the nation s GDP.
c. trade without tariffs, quotas or other restrictions.
d. trade that occurs between imperial colonies.

Respuesta :

The term free trade can be found for example in NAFTA: North American Free Trade Agreement: it's a trade without additional obstacles, which is thought to be beneficial for both parties.

So the correct answer is;
c. trade without tariffs, quotas or other restrictions.

So, because of NAFTA there are not tariffs between US and Mexico.