Which of the following emerged as one of the greatest urban crises at the turn of the century?

A) public transportation
B) housing shortage
C) police brutality
D) traffic congestion

Urban Crises

Refers to a range of problems faced by cities, including overcrowding, housing shortages, inadequate infrastructure, and environmental pollution.

Housing Shortage

A condition in which there are not enough homes available to meet the demand of the population, often leading to increased prices and homelessness.

Traffic Congestion

The condition on road networks that occurs as use increases, characterized by slower speeds, longer trip times, and increased vehicular queueing.