The 1933 <span>Law for the Prevention of Progeny of Hereditary Disease required that persons such as those you listed had to be sterilized. In other words, they would make them incapable of sexual reproduction.
That's not the only horrible things the Nazis did in their campaign for a "master race" as well as their World War effort. They used Jewish persons and others they deemed undesirable essentially as laboratory rats for doing unethical medical experiments on them. For example, they'd put persons in a pressure chamber to find out how high an altitude they could let their pilots fly before they'd become unconscious from the altitude and pressure. Others of their experiments were even more gruesome. And then there was the Holocaust, an even greater and more widespread atrocity.</span>
Answer: During the Vedic and Epic ages, the caste system took shape as a means of establishing relationships between the Aryan conquerors and the indigenous people who were considered to be inferior. Within the caste system was Varna, the 4 main castes.
To expand to new territories and to defend the kingdom. however he warns that its not enough having a strong army but to maintain morale among the troupes and citizens