Why were metals, writing, the wheel, and the plough important for the Harappans - Social Science - In the Earliest Cities

Question

Why were metals, writing, the wheel, and the
plough important for the Harappans?

Ankita Bisht · Accepted Answer

Metals, writing, the wheel and the plough were important to the
Harappans because they had pioneered the use of these and thus
distinguished themselves from other people before them

Why were metals, writing, the wheel, and the plough important for the Harappans?