What a great and wonderful movie!
This was an excellent piece of art. I haven't read the book and I watched most of the western of John Ford. This movie shows something in todays world doesn't exists any more: the family. If you are a rich and inhuman person you cannot understand what this movie is about. Poverty and starving is a bad thing in the world. It shows perfectly how people lived in the 1930's and what was important for them. But it is not only about US History look, you can compare with the situation of immigrants round the world.
One of the best movies ever, it shows reality and if you are against Humanity and Social Behavior you may not like this movie!