How did John Gast show the difference between civilized and uncivilized lands in his painting American Progress?

Gast uses his painting to tell the message that the United States is destined to expand West. The painting illustrates that the West is a dark and savage land, populated by Indians and wild beasts. By entering these barbaric lands, America will civilize and tame the territory.

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b gas tractor

2

c and negotiated lower prices for farm equipment and supplies

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d the grange

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c over 15,000 bankrupt businesses

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c people became more self-sufficient