They came to the US as part of the Bracero program.
There wouldn't be a USA, and...
the Indians would still have pretty much all of the Middle-west of the USA.
Hawaii would still be under their kings/queens
Alaska would still be part of russia
China would pretty much never had any technological progress (they isolated themselves)
Japan would still be going around with pretty much katanas.
etc etc
if you want more i can give you more (if you want information on why one is on the list, post it in the comments)
hope this helps
Yes it is because they are our civil liberties that we live with.
As the twentieth century progressed, the size of the United States Federal Government expanded dramatically. This naturally resulted in the Vice President having to take on more of the responsibilities that the President simply didn't have time to take care of.