When Abraham Lincoln said 鈥渁 house divided against itself cannot stand,鈥 he wasn鈥檛 talking about the kind of political divisions common today. Americans may differ sharply on issues like immigration and abortion, but there is no single issue that geographically and economically divides the country in the same way that slavery did in the 1850s. Back then, the U.S. was so divided that many feared it would break out in civil war鈥攁 fear that Lincoln unwittingly stoked.

Lincoln鈥檚 now-famous 鈥渉ouse divided鈥 line, which is drawn   , was actually part of a campaign speech he delivered at the 1858 Illinois Republican State Convention. Lincoln, then a relatively unknown politician, had just won the nomination to run for U.S. Senate against one of the most important politicians in the country, Stephen A. Douglas.

In general, Democrats then were the party of the slave-holding south and Republicans were the party of the free north that opposed slavery鈥檚 expansion. Yet Republicans weren鈥檛 too concerned about Lincoln鈥檚 race because they thought Senator Douglas, a Democrat, might be open to working with them against expanding slavery.

鈥淒ouglas had been seeking a middle ground between North and South, some way of comprising on the slavery issue,鈥 says , a history professor at Columbia University who has written several books about slavery and the Civil War.

In his 鈥渉ouse divided鈥 speech, Lincoln countered that the Dred Scott decision the previous year had already opened the doors for slavery to be legal in the north, as well as all territories that the U.S. expanded into. If the U.S. wanted to be a free country, he argued, it had to act now before it was too late.

鈥淟incoln鈥檚 saying, 鈥楴o, there is no compromise,鈥欌 Foner explains. 鈥溾榊ou鈥檝e got to be on one side or the other.鈥 In effect, he鈥檚 saying, 鈥業鈥檓 on the side of freedom and Douglas 鈥 is on the side of slavery.鈥欌 Or, the man himself: 鈥淎 house divided against itself cannot stand. I believe this government cannot endure, permanently half slave and half free. I do not expect the Union to be dissolved鈥擨 do not expect the house to fall鈥攂ut I do expect it will cease to be divided. It will become all one thing or all the other.鈥

Abraham Lincoln House Divided
Lincoln at the Lincoln-Douglas debate in 1858. (Credit: Bettmann Archives/Getty Images)

The speech certainly got Republicans鈥 attention. Many thought it had done too much, says , director of Civil War era studies at Gettysburg College and author of multiple books about Lincoln.

鈥淎s soon as he used those words 鈥榟ouse divided,鈥 he articulated the fear that everybody had at that point that the slavery controversy was indeed going to lead to some kind of civil war,鈥 Guelzo says. 鈥淎nd you could almost hear a collective gasp from people that he would actually come right out and say we鈥檙e going to have a civil war.鈥

To be clear, this wasn鈥檛 what Lincoln was saying. He thought the country couldn鈥檛 remain half-free, and that it would end up becoming one or the other. But in the very next sentence, he clarified that he didn鈥檛 think this would necessarily happen through the dissolution of the Union.

鈥淥f course, nobody paid attention to the second sentence,鈥 Guelzo says. 鈥淎ll they heard was the 鈥榟ouse divided鈥 part and they immediately assumed that what Lincoln was calling for was civil war, that the only way to resolve the slavery injustice was going to be civil conflict.鈥 On the campaign trail, Douglas used the perception that Lincoln was advocating for war against him.

鈥淚 think that there鈥檚 a fairly good argument to be made that the 鈥榟ouse divided鈥 speech ended up hurting Lincoln in the 1858 election and was one reason why he lost,鈥 Guelzo says. 鈥淏ecause it made him sound too unacceptably radical on the subject of slavery, even to people who were opposed to the extension of slavery 鈥 but they really didn鈥檛 wanna have a civil war over it.鈥

Still, Lincoln emerged from the campaign as a prominent political figure. Not many people heard about his 鈥渉ouse divided鈥 address when he first gave it, but over the next several months, he publicly spread his argument through campaign speeches and his famous series of debates with Douglas.

The national attention Lincoln gained from that campaign earned him the Republican presidential nomination and then the presidency in 1860. Soon after this victory, his 鈥渉ouse divided鈥 speech became strangely prophetic as southern states seceded from and waged war on the Union. In 1865, the U.S. accomplished Lincoln鈥檚 goal of abolishing slavery鈥攂ut not without fighting a civil war over it first.

黄瓜视频直播 Vault: Abraham Lincoln

A definitive biography of the 16th U.S. president, the man who led the country during its bloodiest war and greatest crisis.