I would either answer sanitation(pollution) or corruption
The angle of the Earth on its axis causing the sun to beam on the Northern and Southern Hemispheres differently.
Overcrowding and slums developed in many impoverished countries in the 20th century, mostly due to large migrations to cities from people looking for work.
Longitude is the measurement east or west of the prime meridian. (Imaginary lines that run around the Earth vertically. up/down.)
Answer:
This depends on the faith
