Land of Limitations?

In his article, "U.S.A., Land of Limitations?" Nicholas Kristof talks about the socio-economic aspects of America. He begins his article by saying that the term often coined to describe America, the "Land of Opportunity," is not exactly true. Kristof also pointed out that America likes to call itself a land that has people that have made and people that are going to make it. But the overlaying message in his article is that often times if people start off/are born into a more lower economic class, they most likely won't leave that class of  people. This type of thing really resonates with me. My parents, who worked hard during their whole lives, were below the average socio-economic standard and didn't have much when they were younger. But during their lives, they worked hard and broke out from the class they were in since childhood, and now stand as "wealthy, middle class" citizens. This is an amazing case of breaking the limitations, but sadly there are so many stories of people, including some of my close friends from high school, that their parents haven't broken through the barrier into a better class. It was interesting also how the article talked about how the rich are seemingly expecting things to just be handed to them, and how rich children are expecting to be given everything. One article reviewing Kristof's article, written by an unknown author, described it as "thought-provoking" and bashes the Republicans for not saying anything about the growing inequality and class rigidity. In short, Kristof's article describes the socio-economic struggles that face the land of limitations, and how solutions to the problem will not come easy.

So the only thing to really ask is: what are the biggest obstacles facing people that are trying to break out of the "class?"

https://www.dailykos.com/stories/2015/8/9/1410207/-U-S-A-Land-of-Limitations