b. improving long-term city 6
c. increased use of automobiles
d. economic stability
I chose letter b. When you plan for long-term sustainability, you want to make sure that everything would last for a long time. These plans would make improvements that people can sustain in the long run that would benefit the inhabitants.
Answer:
B. Improving long term city health.
Explanation:
The Harappans were in the indus river valley