The newly-formed countries that emerged after the break up of the united frontier states (ufs) are interested in learning more about integration in the americas. because the former ufs nations have many similarities with the countries of north and south america, they believe they can learn from the integration experience in the americas. to that end, they pose the following questions. the regional trade agreement between canada, mexico, and the united states to eliminate tariffs and non-tariff barriers between themselves is known as the

North American Free Trade Agreement.

Explanation:

The North American Free Trade Agreement was formed in december of 1992 and came into force the 1rst of 1994. It includes Canada, the USA and México; hence creating the unilateral trade in North America, eliminating tariffs and non-tariffs barriers between themselves.

first, the romans stayed isolated because they had to defend their own territories from neighboring cities that were harassing them, like the etruscans. second, once the romans managed to defeat their neighbors, and started to expand their territory, they started to build roads and bridges. finally, now that the romans have covered their territory with roads functioning as highways, they could mobilize their legions faster to assemble larger military units in a specific place.

sumerians were polytheistic, meaning they believed in many different gods. so, the best answer is c.