Bhagat Singh Thind's argument for his classification as White in his citizenship case was based on

Thind argued that people from the Indian subcontinent belonged to the Aryan race, which racial classifications of the time treated as part of the Caucasian or White race. His claim rested on this scientific understanding of race, not on his wealth, military service, or ability to assimilate. The correct choice is “the scientific understanding of race, classifying people from the Indian subcontinent as Aryan.”

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