I made no comment regarding the "rights" of countries.  What do yo contend is the basis of these "rights" you claim countries possess?  I don't recall Jesus ever commenting on countries having rights.  His messages were directed at individuals.  I doubt he ever intended for nations to claim they were "christian,"  and no nation has ever based its governance on the beatitudes, much less His other teachings.  Turning the other cheek and so forth doesn't really work for countries.
I don't know if your theoretical deportation from Mexico would be racist.  But if you want to claim there is not an element of racism in the immigration debate, you are incorrect.  Your use of Mexico as an example shows that when you think "immigrant" you think "Mexican."  You are aware there is a substantial population of illegal immigrants from Ireland here in the US?  And you do realize many of what you consider "Mexicans" are people descended from the people who were here before your ancestors arrived?