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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11 - Quick Check: Korea and Japan
1. its distance from the mainland of Korea and China
2. Because it was near China, Korea was influenced by Chinese culture.
3. a focus on self-reliance, meditation, and devotion to duty
4. Clans honored powerful natural spirits and gods.
5. China strongly influenced Korea’s culture and technology, but it also
may have prevented Korea from developing its own unique culture.
6. They believed some Chinese practices were superior to theirs.
7. It kept them subservient to men.
8. The shogun was the true ruler.
9. It made it possible for more people to read.
10. It is the world’s first full-length novel.
The real causes of World War I included politics, secret alliances, imperialism, and nationalistic pride. However, there was one single event, the assassination of Archduke Ferdinand of Austria, which started a chain of events leading to war
