What connected and brought the different regions of the U. S. back together?

the war powers resolution (also known as the war powers resolution of 1973 or the war powers act) (50 u.s.c. 1541–1548) is a federal law intended to check the president's power to commit the united states to an armed conflict without the consent of the u.s. congress.

explanation:

we will reach the goal of freedom in birmingham and all over the nation,

since most of current immigration into the u.s., both legal and illegal, is coming from latin america. it would be very difficult to imagine or rationalize a country my fellow citizens are trying desperately to flee into, would pose a threat to my prosperity or freedom. since the u.s. has a long history of intervention, but no record of permanent occupation, i would not feel oppression is the main objective.  

the largest free trade nation, along with the largest gdp in the world wanting to expand it's economic policy on us, and including us, could only be positive. the u.s. government has no interest in, or way of simply forcing american culture on us. and has no track record of it. other nations that adopted american social culture, or "americanization" did so voluntarily, mainly through the choice of allowing american businesses and u.s. citizens to come into their nations, as free operatives.

the answer is a, salt plain