Based on the context of your question regarding how developments outside and inside Texas encouraged farmers to increase cotton production from 1860 to 1900, here are the appropriate responses to fill in the sentence blanks:
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Demand for Texas cotton was driven by continuing industrialization in Europe and the eastern United States, where textile factories created cloth from cotton.
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In Texas, the expansion of railroads that could carry cotton products to market allowed farmers to expand cotton growing into other areas.
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Innovators such as Robert S. Munger came up with faster and more efficient ways to gin and process cotton.
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In the 1870s, the development of a butter substitute (oleomargarine) made from vegetable oil increased the demand for Texas cotton.
So the completed sentences will read:
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Demand for Texas cotton was driven by continuing industrialization in Europe and the eastern United States, where textile factories created cloth from cotton.
-
In Texas, the expansion of railroads that could carry cotton products to market allowed farmers to expand cotton growing into other areas.
-
Innovators such as Robert S. Munger came up with faster and more efficient ways to gin and process cotton.
-
In the 1870s, the development of a butter substitute (oleomargarine) made from vegetable oil increased the demand for Texas cotton.