How did indus valley cities differ from cities of other early civilizations?
a.
they had high walls.
b.
they had large temples.
c.
they were planned out.
d.
they had winding, narrow streets.

under god i have placed my chiest strentgh and the safe guard to my loyal subjects

answer: d. joseph james clark​

explanation:

most people now work in jobs where they do one  kind  of work; they are carpenters, bankers, cooks, mechanics, and so forth. likewise, most  businesses produce  only certainkinds  of  goods  or  services, such as cars, tacos, or gardening  services. this feature of  production  is known as specialization.