Answer:
Law of Demand
Explanation:
The law of demand defines that there is an inverse relation between the price of a commodity and quantity demanded of the commodity. So when price increases, the quantity demanded decreases and vice-versa.
With the influx of people to urban centers came the increasingly obvious problem of city layouts. The crowded streets which were, in some cases, the same paths as had been "naturally selected" by wandering cows in the past were barely passing for the streets of a quarter million commuters. In 1853, Napoleon III named Georges Haussmann "prefect of the Seine," and put him in charge of redeveloping Paris' woefully inadequate infrastructure (Kagan, The Western Heritage Vol. II, pp. 564-565). This was the first and biggest example of city planning to fulfill industrial needs that existed in Western Europe. Paris' narrow alleys and apparently random placement of intersections were transformed into wide streets and curving turnabouts that freed up congestion and aided in public transportation for the scientists and workers of the time. Man was no longer dependent on the natural layout of cities; form was beginning to follow function. Suburbs, for example, were springing up around major cities
