Splash Screen. Chapter Menu Chapter Introduction Section 1:Section 1:Slavery and Western Expansion Section 2:Section 2:The Crisis Deepens Section 3:Section.

Splash Screen Chapter Menu Chapter Introduction Section 1:Section 1:Slavery and Western Expansion Section 2:Section 2:The Crisis Deepens Section 3:Section 3:The Union Dissolves Visual Summary Section 2-Main Idea Big Ideas Group Action Due to differing opinions within established parties, Americans forged new political alliances in the 1850s. Section 2-Key Terms Content Vocabulary referendum insurrection Academic Vocabulary correspondence formulate Section 2-Key Terms People and Events to Identify Republican Party Dred Scott Lecompton constitution Freeport Doctrine John Brown A.A B.B Section 2-Polling Question Can you think of any martyrs in history? A.Yes B.No Section 2 The Birth of the Republican Party Continuing disagreements over the expansion of slaverymost notably the Kansas-Nebraska Actled to the formation of the Republican Party. Section 2 Anger over the Kansas-Nebraska Act convinced former Whigs, members of the Free-Soil Party, and a few antislavery Democrats to work together during the congressional elections of Their coalition came to be known as the Republican Party. Eventually, the Republican Party absorbed most Northern Know-Nothings. The Birth of the Republican Party (cont.) Section 2 Republicans elected John C. Frmont to run in the 1856 presidential campaign; the Democrats nominated James Buchanan; the American Party chose Millard Fillmore. Buchanan won the election. The Birth of the Republican Party (cont.) Section 2 The case of Dred Scott v. Sandford (1857) went all the way to the Supreme Court. Chief Justice Roger B. Taney ruled against Scott because, he claimed, African Americans were not citizens and therefore could not sue in the courts. This ruling became a political issue that further intensified sectional conflict. The Birth of the Republican Party (cont.) A.A B.B C.C Section 2 Which political party agreed with Taneys ruling in the Dred Scott case? A.Democrats B.Republicans C.The American Party Section 2-End DFS Trans 2