Answer:
Harappa and Mohenjo Daro. In 1856, a group of British railroad engineers uncovered an ancient and advanced civilization. The engineers were laying tracks through the Indus River Valley in present-day Pakistan. They searched the area for stone to make ballast.
Explanation:
Eli Whitney was an American inventor known for inventing the machine that separates the seed from the cotton, called cotton gin. During a period of political instability, the War Department of the USA approved a contract of weapons purchase, and Whitney obtained the contract.
But the problem was the inventor never manufactured a gun in his life. The solution he had was the adoption of standardized parts to accomplish his task. This process created precision equipment that allowed the production of large numbers of identical parts quickly and at a comparably low cost. This new method transformed the manufacturing industry and contributed considerably to the US victory in the Civil War.
In conclusion, in order to attend the contract with the government and to multiply the number of guns produced, Eli Whitney had to resort in the standardized or interchangeable industrial development.
Answer:
correct me if wrong, but I think it was the Pearl Harbor
Explanation:
The Confederacy? The interest seems to be the act of slavery and the war Lincoln is talking about must be the Civil War, which was taking place while Lincoln was addressing his second inaugural. Lincoln was reasoning that the Confederacy was fighting to keep slavery, which is the interest the "insurgents" have. Lincoln also did not want slavery to continue to spread, but he was fine with having slavery, "restrict the territorial enlargement if [slavery]".
