Why did linnaeus classify organisms on the basis of appearance

Under Linnaeus's system, every species is known by a unique Latin-sounding genus and species name that distinguishes it from other species. Linnaeus"s work organized organisms into logical classes based on their appearance and characteristics and thus provides a basis for comparing different species.

Explanation:

I majored in Biology

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.