<em>these lights are also known as fairy lights .. these lights are used in days of christmas days for lightning and decoration ..these got introduced in 1930's..</em>
Lynching of discrimination against African Americans
Answer:
America's business and economic sectors changed dramatically during the first decade of the twentieth century. Agriculture, which had been the nation's primary employer throughout the previous century, was gradually being replaced by industry. The United States was expanding its economic interests around the globe and emerging as a world power. This business expansion meant increased wealth as raw materials became cheaper to obtain, driving prices down and consumption up. Among the most prosperous businesses of the era were the oil, steel, textile, railroad, and food production industries. The decade was further marked by major technological innovations, such as the birth of the automobile and aviation industries. Americans who entered the century riding horse-drawn buggies could, by the end of its first decade, drive cars and dream of someday flying in a plane.
I think that the best answer is Middle East: among the earliest metal tools were tools from Egypt, and also Hittites were early tool makers, some early works were also done in Iran.
