USA HISTORY

Detailed explanation-1: -Due to urbanisation, factories and industries are springing up in different places, and the number of vehicles on the road is increasing. The air and gases emitted from factories and vehicles contaminate the atmosphere, thus leading to pollution.

Detailed explanation-2: -The major cause of urbanization is a rapid movement of people towards cities and towns as they view the rural areas as places with hardship, backwardness or primitive lifestyle. Therefore, when large populations move to more developed areas like towns and cities, it leads to the phenomena of urbanization.

Detailed explanation-3: -Urbanization (or urbanisation) refers to the population shift from rural to urban areas, the corresponding decrease in the proportion of people living in rural areas, and the ways in which societies adapt to this change.

Detailed explanation-4: -Cities are often characterized by high levels of overcrowding, particularly in slums and informal settlements. This often leads to poor sanitation and the decline of human health due to the spread of diseases such as cholera, typhoid, tuberculosis and HIV/AIDS.