Bill Clinton was the 42nd president of the USA.
The caste system is a system that divides Hindus into four main categories - Brahmins, Kshatriyas, Vaishyas and the Shudras. Sorta like a pyramid of food groups in health. These castes were based on peoples daily jobs/occupations. Outside of the caste system there were the untouchables or otherwise known as the "the Dalits".
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Russia has suffered the most casualties in Europe. Approx 1,700,000 were parishes and killed by the Wermacht. The trenches, starvation due to cold. The Germans were cruel to prisoners of war, resulting in high death rates