The United States uses units such as inch, mile, ounce, and pound. Most of the rest of the world uses meters, kilometers, grams, and kilograms. If you had the
responsibility to decide which of the two systems the entire world would use, what
would you decide? Explain your answer for full credit.

Metric System

Explanation: The metric system is a more logical way of explaining measurements because it uses base ten to go up or down in the scale of measurement. This makes it more efficient and reasonable, on top of being easier to learn.

they had the law tat factories that produces smoke cannot be built near residential buildings.

building of proper sewage system was done to ensure that the waste is carried away from the humans so that they do not get diseases from it.

also they built water systems to provide water in those areas which are drought prone.