The two men who were of Truman's role models were Andrew Jackson and Abraham Lincoln.
Andrew Jackson was an American soldier and statesman who served as the seventh president of the United States from 1829 to 1837. Before being elected to the presidency, Jackson gained fame as a general in the United States Army and served in both houses of Congress.
Abraham Lincoln was an American lawyer and politician who ruled the country as the 16th president of the United States from 1861 until his assassination in April 1865. Lincoln led the nation through the American Civil War.
The Second Industrial Revolution The main reason for the change in energy resources was the unexpected growth in the industry in steel, oil and transportation.
Machinery and factories need reliable energy sources for fuel rather than wood to meet consumer demand.
