The three correct options are: tenements, crime, traffic, and congestion.
Urbanization happens when the number of people living in town and cities grows considerably, mostly because many people move from rural areas to urban areas.
The three major problems brought about by urbanization are: tenements, crime, traffic, and congestion.
Crime: there is a higher rate of poverty in urban regions which leads to this.
Traffic and congestion: more people lead to more vehicles to move around the city. This causes air pollution too.
Tenenments: many people live in small spaces which creates overcrowding.
