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:
Animism became the main religious practice as villages became complex societies
South Carolina led the Secession Movement when they seceded on 20 December 1860.
Based on this document, two ways President Polk proposed to address the issue of slavery in the <span>territories was to dictate which states would be free, and to allow the states to decide. </span>
1 million French 3 million British
