The north believed tariffs would provide what safety net?
protection from southern products
protection from european competition
protection from inadequate products
protection from western farm goods

The answer is "Protection from European competition".

A tariff is a tax forced by a legislature on merchandise and ventures imported from different nations that serves to expand the cost and make imports less alluring, or if nothing else less aggressive, versus household products and enterprises. Tariffs are for the most part presented as a methods for limiting exchange from specific nations or diminishing the importation of explicit kinds of merchandise and enterprises.  

trade

explanation:

the border between arizona and new mexico is a thin, black line; this indicates a state boundary.

its correct: it's a thin line, and it's a state boundary, correct