Most likely the main reason that the Aryan's gave up their nomadic lifestyle was because: Early nomadic conflicts made it impossible to sustain population growth.
Tensions which arose among new arrivals.
They found rich silt for crops along the Ganges.
The female population was on the decline.

c. women being denied the type of education men received

it refers to race, i am pretty sure this was a popular term in nazi germany or something.

disease was the number one killer of native peoples. they had had little exposure to the diseases of europe. this led to some villages being almost completely wiped out and some tribes destroyed.

the quote by walter cronkite contributes to the central idea of the text by supporting the central idea. cronkite argues that what is deemed “right” for and in america may not be good for other countries. this supports the central idea of the text, that the vietnam war was unpopular in america for multiple reasons- including cronkite’s.