How did Mohenjo Daro store water abnd why was this significant at the time?
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2018 means 2018 ce or common era

there have been other eras too including bce, which included way more years.

i think it’s a i hope that right : )

after the aryan's settled in india they changed for the better i bellieve they changed from nomads having to keep moving to being farmers   they were aswell avaible to turn the ganges river into farmland.   which is great they added a big affect on farming as we know of it today.