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Which of the following will have the highest boiling point?
Transcontinental Railroad
A continuous rail line that spans a continent, typically referring to the major rail networks connecting the east and west coasts of the United States.
Protective Tariffs
These are taxes imposed on imported goods to protect domestic industries from foreign competition.
Canal System
A network of waterways constructed to allow for the transportation of goods and people, facilitating commerce and navigation.
Agricultural Inventions
Innovations and technological improvements that enhance agricultural efficiency, productivity, and sustainability.
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