Answer:
179,000
Explanation:
Around 179,000 African American's fought in the civil war.
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(A) Eli Whitney introduced the idea of interchangeable parts that promoted the mass production of various goods.
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Who was Eli Whitney?</h3>
- Eli Whitney Jr. (December 8, 1765 – January 8, 1825) was an American inventor best known for developing the cotton gin, a crucial invention of the Industrial Revolution that altered the Antebellum South's economy.
- Despite Whitney's belief that his invention would reduce the need for enslaved labor and hasten the abolition of southern slavery, Whitney's invention turned upland short cotton into a profitable crop, strengthening the economic foundation of slavery in the United States and extending the institution.
- Eli Whitney popularized the concept of interchangeable parts, which facilitated the mass manufacture of numerous commodities.
Therefore, (A) Eli Whitney introduced the idea of interchangeable parts that promoted mass production of various goods
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The complete question is given below:
Who introduced the idea of interchangeable parts that promoted mass production of various goods?
(A) Eli Whitney
(B) Samuel Slater
(C) Francis Cabot Lowell
(D) Henry Ford
Answer:
Postal stamps reveal a lot of us about changing times due to the variety in the sizes of the stamps, the novelty in their subjects and colour schemes. The Postal Department issues postage stamps on a wide variety of themes like political leaders, flowers, animals, birds. It also throws light on events like the sliver, golden , diamond jubilees or centenary, bicentenary, tercentenary. The postal Department is a valuable repository of history. Thus, the postal department tries to preserve the heritage and integrity of indian culture through postage stamps
