What is the primary purpose of the First Declaration? What does the Declaration call for, and what reasons does it give for why?

"a government in which power is divided between state and national levels". federalism is a system of government in which entities such and state and province, share power with the national government.

after the aryan's settled in india they changed for the better i bellieve they changed from nomads having to keep moving to being farmers   they were aswell avaible to turn the ganges river into farmland.   which is great they added a big affect on farming as we know of it today.