The Black Sea was the waterway most controlled by the Byzantine Empire during its height and most of its existence. Constantinople which is nowadays know as Istanbul was the capital city of the empire and it was located in the Bosphorus strait, which is the connecting link between Mediterranean Sea and the Black sea.
That geographical area was a strategic point for commercial routes between Europe and Asia, and it was also military disputed due to be considered the entrance to Europe for eastern invaders.
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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The answer is: B. Harriet is guaranteed to a speedy trial.
I think that it would be D
It was the 13th Amendment