illegal immigration led to the fall of rome

German immigrants drove the government of the Late Western Roman Empire into penury and extinction. Are Mexican and other immigrants from the third world likely to send the government of the American Republic to a similar fate? And is the United States of America the only western nation facing such a demise? The answers are maybe and no, respectively.

read full article here.
http://www.worldhistory.org/2008/09/illegal-immigrants-and-the-end-of-the-late-roman-empire/