Who was the first Republican President of the United States?

Abraham Lincoln, elected in 1860, was the first Republican President of the U.S., leading during the Civil War and abolishing slavery. Studying this highlights his role in American history, the challenges of uniting a divided nation, and its impact on democratic governance. For Pakistan, this offers lessons on promoting national unity during crises, drawing parallels with leaders like Quaid-e-Azam, and strengthening democratic institutions to ensure inclusive governance and stability.