It's a sad example of history repeating itself; though not exactly, yet all too similarly.

We honestly know that a "fence" or "wall" are not a "best solution." Correcting and improving factors, causing disillusioned immigrants to come to the US, is the only beneficial course. Supporting and educating other governments to beneficial scenarios and practices for the good of their citizens, is a solution.

Though that would mean that the USofA practices the same and is not (too often) controlled by wishes of the corporations/lobbyists and the like.

Connecting-to-the-Value-of-Why 2005-2008 ©

I put this as a response to one of the comments - probably the wrong place.  Sorry about that.

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I think the only ultimate solution to the US "immigration problem" is to work to remove the border, period.

The Europeans did it, although it took them 50 years. If Germany and France and Italy can drop their borders after hundreds of years of war and mistrust, we can surely do it with our neighbors to the South.

Europe had a bit more of a running start, as their economic differences were not that great. But they have continued the effort with the Eastern block, where the problems are major. This is not without problems, to be sure - but it is moving forward.

The people who come here, legally or illegally, do not come for our climate, or our scenery, or our language and culture. They come for the economic opportunity. They have energy and initiative, and are willing to take a risk, as much as my grandparents did when they left Germany in 1880. If their world gave them the basics required for that opportunity, they would show that same energy there.

To drop that border, we need to help Mexico invest in its own infrastructure, to provide the education, the stable infrastructure that fosters our economic entrepreneurship. Ultimately, it will be cheaper than any wall, and the economic benefits will be huge for both sides.

This is not an aid program, not a giveaway, this is an investment to create a mature trading partner of equal stature.

What would our world look like if any one of us, or any one in Mexico, could walk across the border, apply for work, earn benefits, attend school, pay taxes, etc.?

We might actually be on our way to becoming a full citizen of our own hemisphere - and eventually the world.

Let's call it a "reverse domino" theory - knocking down borders by spreading economic opportunity.

This will not be accomplished by some phony indoctrination in the "American Way". What is needed are the simple basic opportunities described by Amartya Sen in his book, Development as Freedom. If humans are given the freedom to do so, they will prosper. All they need is the opportunity.
 

I think a real solution would be to make Mexico a part of the United States. If they are no longer illegal immigrants, then there is no illegal immigration problem. Move big business south and they won't need to cross the border searching for work.