Question

Which of the following most contributed to Abraham Lincoln’s emergence as a Republican Party leader?

his public debates with Stephen Douglas on the subject of slavery
his defeat of Stephen Douglas in the 1858 Senate race in Illinois
his retirement from the House of Representatives after a single term
his support of popular sovereignty as it pertained to the issue of slavery

Answer 1

his public debates with Stephen Douglas on the subject of slavery

Step-by-step explanation:

Abraham Lincoln was an American politician and lawyer who served as the sixteenth president of the United States of America from March 4, 1861 until his assassination on April 15, 1865.1 Lincoln led the United States during the Civil War, the bloodiest conflict and perhaps also the greatest moral, constitutional and political crisis that the American nation has suffered. At the same time, it preserved the Union, abolished slavery, strengthened the federal government and modernized the economy.