Learn who succeeded Lincoln and how Andrew Johnson, Ulysses Grant, and Rutherford Hayes shaped Reconstruction's failure. Discover why this critical post-Lincoln period determined America's racial equality trajectory through political clashes and missed opportunities.

Explains the constitutional process when a U.S. president-elect dies before inauguration. Covers Electoral College rules, VP succession, historical near-misses like 1872 and 2000, and practical impacts on national security. Debunks common myths about cancelled inaugurations or special elections.

Explore how John Tyler became America's 10th president after Harrison's death, established the 'Tyler Precedent' for succession, and impacted US history through annexation of Texas and controversial slavery stance.