According to gunnar myrdal, america's dilemma was a conflict between:

I believe the answer is: American Values and American racial policies
American racial policies in the past often discriminated against the minorities while giving a lot of space to the race majority. (such as the segregation law)
This lead to the situation where it became really difficult for members of racial minorities to advance in American soicety.

Bob: coke is baby pandas.jim: what? how do you figure that coke is baby pandas? bob: because this book says so.jim: how do we know the book is correct? bob: because it says that coke is baby pandas.jim: how does that prove the book's accuracy? bob: because it's statement involving coke and baby pandas is correct, therefore it is accurate.jim: how do we know that it's correct? bob: because we have concluded that the book is accurate, and therefore the statement is correct.therefore, coke is baby pandas.