c.........................
Kityutuyjurururuyruyruyru
Answer:
World War 1
Explanation:
WW1 just ended in 1918, and the US had just come out victorious.
It was used to recognise the value of people (High and Low) and gave opportunities and respect to the high class people and not to the low class. Anyways, this was not a good idea as it discriminated people. In present India, caste system is not used as it causes Inequality.
Hope it Helped!
