People enjoy living in large cities. But cities have problems. One problem is that they frequently grow very rapidly. Transportation becomes 1 . There are a lot of cars, buses and bicycles. As a result, people are trying to improve the big cities, and they are also planning for new cities. Plan A is a large city with smaller cities around it.
There is an open land with trees, fields, and lakes between the large city and smaller cities. Each small city is 2. It has offices, schools, hospitals, and places of 3 . In Plan B the cities are connected by a road. In Plan C, the cities are in rings around the 4city and all of them are 5to each other. The goal of all these plans is to limit the growth of the large city.