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.
Answer: C. High crop yields on fertile floodplains permitted more people to pursue non-farming activities. d People stopped conducting warfare on neighboring groups.
