The Caste system was based on the religion of Hinduism, whilst in the Feudal system the Roman Catholic Church and in it's beliefs were followed. The highest class for the Feudal system was the King; but in the Caste system it was the Brahmins (Priests), although the king was part of the second tier the Kshatriyas. The Feudal system existed during the middle ages and when it ended it caused the end of the middle ages. The Caste is still being followed today in India.
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C During the Cold War
The border in black is considered the line of containment between the first world and the second world countries.
The Founders made the amendment process difficult because they wanted to lock in the political deals that made ratification of the Constitution possible. Moreover, they recognized that, for a government to function well, the ground rules should be stable.