Plz pIz 50 points each help identify what each of the caste's jobs would be

Include a graphic representation (pyramid for example) of the Indian caste system

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Historians have recently discovered a historical journal published in the early twentieth century. the journal contains facts based on original sources about the downfall of the early byzantium empire. historians consider this long-lost journal to be a breakthrough in their understanding of the byzantium empire. based on this information, the journal is a source.

Who introduced arabic numerals to italy, which make bookkeeping possible? a. brunelleschi b. cosimo de medici c. fibonacci d. gregory xi e. giovanni de bicci de medici

During the age of imperialism, suez canal connected which two bodies of water?