The correct answer to this open question is the following.
You forgot to include the map and the options for the question. However, doing some research, we can answer the following.
This map supports the idea that urbanization was more likely to occur near water for transport and energy needs.
Rivers are an important source of freshwater and this represented a great opportunity to settle in and establishing towns that later became cities. Rivers also represented an excellent way to develop navigation and transport people and goods such as raw materials and crops. Finally, rivers allow fishing, an important source of food to feed families. That is why many important cities are located next to rivers or close to the banks of a river.