USA HISTORY

Detailed explanation-1: -The main technology of the 19th century was steam power. Steam engines provided a more reliable and effective source of power than water or wind. American cities became centers of steam-powered manufacturing. The most significant breakthrough in the Age of Steam was the development of railroads.

Detailed explanation-2: -The decade was also a period of significant technological advancement; the phonograph, telephone, and electric light bulb were all invented during the 1870s, though it would take several more decades before they became household items.

Detailed explanation-3: -Everyday things consumers took for granted by the 20th century-the light bulb, telephones, typewriters, sewing machines, and phonographs-were all products of the 19th century.

Detailed explanation-4: -One of the most famous and prolific inventors of all time, Thomas Alva Edison exerted a tremendous influence on modern life, contributing inventions such as the incandescent light bulb, the phonograph, and the motion picture camera, as well as improving the telegraph and telephone.