<span> In the last quarter of the 19th century, all four items were sources of energy. Kerosene was commonly used for lighting, electricity was beginning to replace gas lighting and steam was used to power boats, trains, and certain kinds of industrial machinery. Gasoline was the primary fuel of the automobile, or "horseless carriage," which appeared in the 1890's. Of these four, however, steam was introduce the earliest. The concept of the steam engine goes back to ancient times. However, the steam engine was really introduced as a common source of energy early in the 18th Century. So while kerosene, gasoline, and electricity as an energy source were all developments of the 19th century, Steam power is at least a century (and maybe more) older. </span>
The answer is B. I just took the test
Answer:
Two Great changes of the Era 1820-1860 which revolted to
1.) Industrial Revolution-(The growth of mechanization of industry)
2.) Market Revolution-(Market Revolution had a dramatic increase between 1820 and 1850 because of the exchange of goods and services in market transactions. Making it result in the combine impact of the increased output of farms and factories, the entrepreneurial activities of traders and merchants, and the development of a transportation network of roads, canals, and railroads)
- Not all Americans shared in the new prosperity.
- Created a class divided society (labor class and upper class).
- Challenged the founder's vision of an agriculture republic with few distinctions of wealth (Thomas Jefferson).
