Explanation:
Industrial expansion and population growth radically changed the face of the nation's cities. Noise, traffic jams, slums, air pollution, and sanitation and health problems became commonplace. Mass transit, in the form of trolleys, cable cars, and subways, was built, and skyscrapers began to dominate city skylines.
When the aryans migrated to India the concept the brought was The Caste System
Answer:
to colonize the world I think
1. The primary group for whom goods and services are produced in a traditional economy is the tribe or family group. In a command economy, the central government decides what goods and services will be produced, what wages will be paid to workers, what jobs the workers do, as well as the prices of goods.
