Islam arrived in the inland of Indian subcontinent in the 7th century when the Arabs conquered Sindh and later arrived in North India in the 12th century via the Ghurids conquest
They can do a lot things with water. Because water is very necessary.
D. Appalachia would be the poorest
Answer:
Mechanized agricultural methods have improved agricultural productivity.
Participation in the global economy has increased urbanization
Settlement areas have increased due to improved water storage and delivery systems
Explanation: