Which statement would explain the effect of new inventions and consumerism in the 1920s

this is off the internet so change the words Explanation:

Collected commentary. Advertising, installment buying, consumer credit, the allure of ever-better mass-produced goods—did these herald the triumph or decay of American civilization? Illustrated with numerous advertisements, this collection samples the ardent opinions voiced by champions and critics of "consumptionism" in the 1920s. What was the core of their disagreement? Did they agree on any central points? How does their discussion resemble today's commentary on consumerism? Selections can be divided among students for research and classroom discussion.

a. because the u.s. was the leading with the most technology, economy, etc. also was teamed with other allies witch boosted the economy and materials to improve technology and use it.

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