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What lead to the increased productivity of the 1920s?

O Advanced farming methods
O Government stimulus checks
O The invention of the airline industries
Older industries adopted assembly line methods (cheaper production)

User Emish
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2 Answers

14 votes
14 votes
advanced farming methods
User Deepak Singhvi
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15 votes
15 votes

Answer:

I would say The invention of the airline industries

User AboulEinein
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