In a time before railroads and highways, the Great Lakes and St. Lawrence River served as the primary transportation system. Many of North America's largest cities were established along the waterway as commerce flourished between their ports. Today, Great Lakes-Seaway shipping is equally important.
Answer:
Lack of resources such as water, gas etc and proper place for living.
Explanation:
Lack of resources such as water, gas etc and proper place for living are the problems that the people would face living in this part of Kolkata because this part is located at the edge of Kolkata. Due to far from city, no resources were provided by the government to this region which causes major problems to the people that are living there so due to located on the edge, experience more problems.
The works largest desert is the Sahara Desert and its is located in Africa.
