The industry that spurred the introduction of the factory system was:

textiles

Explanation:  Textiles were the leading industry of the Industrial Revolution, and mechanized factories, powered by a central water wheel or steam engine, were the new workplace.

answer: karl marx, max weber, and emile durkheim (the fourth could be considered georg simmel)

explanation:

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.