Why?

Click on the links in each sentence.

Q. Why did we need so many illegal immigrants?
A. To build all those McMansions out in the distant exurbs.
Q. Yes, but why did so many Americans want to move to the exurbs?
A. To escape all the illegal aliens flooding their neighborhoods and schools.
Q. Okay, so then why did we need so many illegal aliens?
A. To build all those McMansions out in the distant exurbs.