USA HISTORY

Detailed explanation-1: -Telegraph Revolutionizes Communication The rst truly revolutionary development of the 19th century was the telegraph, which accelerated how fast the written word could be spread.

Detailed explanation-2: -Railroads became a major industry, stimulating other heavy industries such as iron and steel production. These advances in travel and transport helped drive settlement in the western regions of North America and were integral to the nation’s industrialization.

Detailed explanation-3: -Being able to ship products great distances transformed the nature of economic activity in the United States. Before the development of this elaborate transportation and communication system, economies were localized and often based on a barter system.

Detailed explanation-4: -A surge of technological innovations and inventions, like Thomas Edison’s incandescent lightbulb and Alexander Graham Bell’s telephone, fueled this economic growth. The economic boom made the rich richer and the poor poorer, widening the already large economic gap between the two groups.