The caste system in India is a class structure which determines the position of an individual in the social pyramid according to the household he was born in. It originated during the Sangam period, around 300 BCE. It creates the ideology that if one is born poor, he will remain poor for the rest of his life. On the other hand, if one is born rich, he will probably thrive in life. This system completely nullifies social class escalation, as it labels it as a nearly impossible option that a poor person could escape from his fate.
Freedom from fear means that no one should be in fear of their government, its armed forces, police who act undemocratically, or even their neighbors. “It means you can go to bed at night and you can expect that your home will still be standing the following day.
The Tenth Amendment or also referred to as Amendment X in simple terms is "Any power that is not given to the federal government is given to the people or the states." Hope this helps.