Travel and easy access to drinking water.
Most caste systems in our history were based on a person's skin color. I'm gonna take a guess that it would be the same for this part of the world.
The right answer for the question that is being asked and shown above is that: "welfare reform." Bill Clinton signed a <span>welfare reform </span>bill into law. The welfare reform is known as the<span> Personal Responsibility and Work Opportunity Reconciliation Act of 1996 (PRWORA).</span>