Europe isn't dying off, it's committing continental suicide, and the reason has nothing to do with harsh immigration laws.
Europe has even more illegal aliens than the United States, and one of the few nation-states that's actually begun to crack down on illegal aliens, and imported jihadis, i.e. Denmark, is experiencing a renaissance.
We do not need law-breakers from third world countries-with third world educations, and third world values-in order for America to thrive.
If anything, your attitude is what's killing off the American republic as we've come to know it.
The immigrants coming here daily are coming because they recognize that this country offers opportunities they can't achieve in their own homeland.
I'm a small business owner that has contact with the illegals on a daily basis.
They have a good work ethic and it's gratifying to see them prosper giving an honest day's work without government intervention.