The most important event in history was: the temptation in the wilderness
the crucifixion
the resurrection
the ascension

the crucifixion.

Explanation:

this event provided mankind with a way into to heaven. No one could get into heaven before, but Jesus shed his own blood for all the sinners before his time and after. The resurrection would be second I think because it proved that he was on a divine mission and that he was who he said he was.

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.

explanation:

damn girl thats not really your friend then. : /