Imperialism: a policy of extending a country's power and influence through diplomacy or military force.
Allowing people to come to our nation of their own free will is not imperialism.
America imposing its culture and society on other sovereign nations is imperialism.
This is not a complicated concept.






Having said that the US owes those nations big time. After all, the people there never asked to be exploited by that US Banana company. They also did not ask for the US to interfere in there internal matters. El Salvador is one of the nations the kids are coming from. El Salvador on the insistence of the US even sent troops to Iraq.