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OpenStudy (anonymous):

Between 1900 - 1945 there were many technological advancements. Identify 2-4 advancements in technology, communication, and/or transportation between 1900 - 1945.. Explain how some advancements have improved lives while others have had negative consequences.

OpenStudy (anonymous):

i don't now

OpenStudy (anonymous):

Then why comment? o-0 .....

OpenStudy (anonymous):

:p

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