Which description are features of ancient indus cities

a standardized system of weights and measures  and

city blocks laid out in a grid pattern are the right answers. i just took the test and made 100 :)

also same question Which descriptions are features of ancient Indus cities?

a large, central building that stored grain  and a sanitation system

Explanation:

the lowest among the social higher rank were the working class. this class remained detached to the political progression   of the country and was hostile to the other two classes

it was displayed because they had a love for war