The answer is 'Railroads'
The Industrial Revolution in England lead to the development of trains and fast travel.
The United States quickly adopted the technology and brought in English businessmen and engineers to develop railroads in it's sprawling western states.
Railroads were integral in the early years in to cement newly acquired states under the control of the Federal government.
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Answer:
Google Supreme Court Case Bush and Gore
Explanation:
A website should appear and then read it and look for the reading behind the ruling.
I believe that the answer is A for 1, and 2 being B.