GENERAL KNOWLEDGE

Detailed explanation-1: -Attracted by the promise of paid work, immigrants from rural areas flooded into cities, only to find that they were forced to live in crowded, polluted slums awash with refuse, disease, and rodents.

Detailed explanation-2: -During the Industrial Revolution, people from the countryside flocked to cities and factory towns looking for a better life. They wanted to make more money to support their families, and they hoped to move up in the world.

Detailed explanation-3: -“Cities grew because industrial factories required large workforces and workers and their families needed places to live near their jobs. Factories and cities attracted millions of immigrants looking for work and a better life in the United States.”