The market forces such as demand, supply, competitive pricing and so on fail to incentivize the reduction of which cost?

In a free market, market forces include demand, supply, competitive pricing, and so on. These forces do not incentivize a reduction of

costs

i think that c)gold was found there

but i am not sure

the titanic would be the correct answer

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.