The united states has a two-party system. this means that: a. third parties are not allowed to be formed in this country. b. all voters identify with either the democratic party or the republican party. c. only two parties nominate candidates to run in general elections. d. candidates must belong to one of the two major parties to run in state elections. e. the two major parties—the democrats and the republicans—dominate national politics.

e. the two major parties—the Democrats and the Republicans—dominate national politics.

Explanation:

The United States is a classic example of Two Party system in which the political stage is dominated by either of the two major political parties at any given point of time. Usually, one party holds the majority in legislature assemble and the other one stands in opposition. The third party always struggle to find any space in the political landscape. The two major political parties in the United States are the Democratic party and the Republican Party.

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.