Answer:
In addition to shipping, the river is used as a major source of drinking water for Savannah and Augusta, to cool nuclear power plants in Georgia and South Carolina, and to generate hydroelectric power. Other uses include irrigation for agricultural crops and recreation.
The voting age in India is 18
It spread through trainers and new innovations. Most popularly, the invention of the printing press.
I'd say logic and reason. I hope this helps you :)