What did President Lincoln require of Confederate Southerners to regain full U. S. citizenship? Nothing--all would become citizens again automatically and immediately.
Disavow the Confederacy and swear allegiance to the Union and its leaders.
Swear an oath to the Constitution and assist in rebuilding of their regions.
Swear to uphold both the Constitution and the Emancipation Proclamation.

swear to uphold both the constitution and emancipation proclamation

Explanation:

i took the quiz

a. the astrolabe could determine the correct latitudinal location of the ship

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.