Lincoln could not do anything until he was in politics. Once in politics Lincoln got a better understand about slavery from protective tariffs. He viewed slavery as “an impediment to economic development.”(1) After the Kansas-Nebraska Act replaced the Missouri Compromise, which allowed each state to decide if slavery should be allowed or not, Lincoln’s view on slavery was also of moral anger. Lincoln’s view’s never changed about slavery, but only got stronger while he progressed in politics. The Supreme Court’s decision on the “Scott v. Sanford, declaring African Americans were not citizens and had no inherent rights”(2), fueled Lincoln’s beliefs more. After that case, Lincoln decided to run for U.S. Senator with the main issue of slavery, but lose to Stephen Douglas, who already held that seat. Even though Lincoln lose he gained great popularity because of his view on slavery. This lead him to run and become elected as President. After the first year and a half of the Civil War, Lincoln felt positive that he could reshape the cause of the Civil War “from saving the union to abolishing slavery.”(3) So Lincoln issued the Emancipation Proclamation. The Proclamation stated “that all individuals who were held as slaves in rebellious states henceforward shall be free." (4) The Proclamation led the way for the 13th Amendment which abolished slavery. To bad Lincoln could not of seen his impact on American freedom and slavery he had before he was