The main issue causing the slum could be because people migrated to the cities, and they may have a financial problem already exists. Make no statements to build housing.
The main problem that caused the slums could be due to the migration of people into the city, and they may have a financial problem exists. No statement made in building housing.
The main problem that caused the slums may be because the evacuation of people in the city and they these may have financial problems. Make no statement to build housing.