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Feb 13, 2018 · Underwood Archives/Getty Images. “The Gilded Age” is the term used to describe the tumultuous years between the Civil War and the turn of the 20th century. The Gilded Age: A Tale of Today was ...
Telephone, an instrument designed for the simultaneous transmission and reception of the human voice. It has become the most widely used telecommunications device in the world, and billions of telephones are in use. This article describes the modern telephone’s components and traces its historical development.
Nov 9, 2017 · Madame C.J. Walker (December 23, 1867–May 25, 1919) Smith Collection / Gado / Getty Images. Born Sarah Breedlove, Madame C.J. Walker became the first Black woman millionaire by inventing a line of cosmetics and hair products aimed at Black consumers in the first decades of the 20th century. Walker pioneered the use of female sales agents, who ...
Apr 20, 2010 · Impact on the United States. The building of the transcontinental railroad opened up the American West to more rapid development. With the completion of the track, the travel time for making the ...
Oct 10, 2019 · Sources. Socialism describes any political or economic theory that says the community, rather than individuals, should own and manage property and natural resources. The term “socialism” has ...
Aug 20, 2021 · The phrase “industrial innovation” conjures images of 3-D printing or robots working on a factory assembly line. But while most people take washers and refrigerators for granted today, a ...
1991. Invention, the act of bringing ideas or objects together in a novel way to create something that did not exist before. Ever since the first prehistoric stone tools, humans have lived in a world shaped by invention. Learn about the chronology of invention as well as the general characteristics of inventors.
