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Which of the following inventions significantly impacted Westward Expansion and were invented in the post-Revolutionary period?

1) Cotton gin
2) Steamboat
3) Telegraph
4) Railroad

1 Answer

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Final answer:

The inventions that significantly impacted Westward Expansion and were invented in the post-Revolutionary period include the cotton gin, steamboat, telegraph, and railroad.

Step-by-step explanation:

The inventions that significantly impacted Westward Expansion and were invented in the post-Revolutionary period include:

  1. Cotton gin: Invented by Eli Whitney in 1794, the cotton gin increased the efficiency of cotton production, leading to the expansion of cotton plantations in the South.
  2. Steamboat: Invented by Robert Fulton in 1807, the steamboat revolutionized transportation on rivers and played a crucial role in the exploration and settling of the West.
  3. Telegraph: Invented by Samuel Morse in the 1830s, the telegraph facilitated communication across long distances, allowing for faster and more efficient coordination of transportation and trade.
  4. Railroad: The expansion of railroads starting in the mid-19th century dramatically transformed transportation and facilitated the movement of people, goods, and ideas across the country, including Westward Expansion.
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