There are only 3 things you need to do in order to not be permanently poor in the US -
1. Graduate High School 2. Don't have kids before you're married 3. Get a job, it doesn't have to be a "good" job.
Specifically with black America, it is very obvious that the vast amount of fatherless children is a huge problem. Single motherhood is associated (if not causally linked) with many very negative outcomes. This is a problem of culture and a lack of personal responsibility. Society does not make black Americans have kids disproportionately out of wedlock. Though it could be argued that the welfare programs enacted in the 60's have encouraged this behavior.