• To what extent did economic, political, and social factors in this era help promote expansion and the development of the "American Dream"?
• Were sectional disagreements after 1848 more difficult to compromise due to economic differences, a fight for political control of the nation, or differences over the morality of slavery?
• To what extent was the Dred Scott decision the turning point event leading to the Civil War?
• To what extent was slavery the main cause of the Civil War?
• The U.S. fulfilled many expansionist goals in the 1840s.
• Before 1860, the North and The South were separated by economic, political, and cultural differences that made it increasingly difficult to compromise.
• After the election of Abraham Lincoln, several southern states seceded from the Union, an action that led to civil war in 1861.