Civil War could've been avoided - Why historians are wrong | Gary Gallagher and Lex Fridman

Gary Gallagher argues against the common historical narrative that the Civil War was inevitable, instead presenting it as a series of contingent events that could have unfolded differently. The discussion begins with the secession crisis of 1860-1861, explaining that only seven Deep South states initially seceded (South Carolina, Mississippi, Alabama, Florida, Georgia, Texas, and Louisiana), but the critical upper South states—particularly Virginia—had not yet left the Union.

The pivotal moment came with the standoff at Fort Sumter in Charleston Harbor. Lincoln decided to resupply the fort rather than cede it to the Confederacy, which forced Jefferson Davis to decide whether to allow a federal installation within Confederate territory. The Confederate attack on Fort Sumter triggered Lincoln's call for volunteer soldiers to suppress the rebellion, which in turn prompted four more states to secede: Virginia, Arkansas, Tennessee, and North Carolina. This second wave was crucial because Virginia alone possessed 40% of the Confederacy's industrial capacity, was the most populous state, had the largest slave population, supplied the most important military leaders (including Robert E. Lee), and would eventually house the Confederate capital in Richmond.

Gallagher emphasizes that Virginia's secession was not predetermined—the state's secession convention voted twice against secession before finally voting to secede after Fort Sumter. The decision was so divisive that it led to West Virginia's separation from Virginia during the war. Without Virginia and the other upper South states, the Confederacy would have lacked the manpower (the four upper South states that seceded provided the most soldiers of any Confederate states) and resources necessary to wage the prolonged war that actually occurred.

The conversation then addresses the human cost of the war. Confederate forces lost between 4-5% of their entire population—more than any major power in World War I and the equivalent of roughly 18 million Americans in contemporary terms. About 30% of Confederate military-age white males died. This staggering casualty rate demonstrates the seriousness of commitment on both sides and contradicts earlier scholarly arguments that the Confederacy wasn't truly a nation.

Regarding motivation, Gallagher explains that while some fraternization occurred between soldiers, hatred escalated throughout the war as casualties mounted and Union forces increasingly targeted civilian populations in the South. Desertion rates were significant (15% for Confederate soldiers, 12% for Union soldiers), and there was substantial war weariness, particularly in the Confederacy. However, polls suggesting that most white southerners, even late in the war, would have chosen Jefferson Davis and continued war over returning to the Union under Lincoln without slavery, indicating the depth of commitment to the Confederate cause.

The discussion then shifts to the aftermath and reconciliation. Gallagher distinguishes between "reunion"—literally putting the nation back together, which did happen—and "reconciliation," which proved much more difficult and took decades. Grant's generous terms at Appomattox, specifically requested by Lincoln before his assassination, allowed Confederate soldiers to sign a parole, accept the end of slavery and the restoration of the Union, and return home without facing execution or imprisonment. However, Gallagher notes that this was a nod toward forgiveness rather than true forgiveness, and Lincoln's assassination intensified hard feelings.

The broader historical lesson Gallagher emphasizes is the resilience of American constitutional institutions. Despite being a nation founded with slavery and widespread racial prejudice, the United States emerged from the Civil War and produced the 13th, 14th, and 15th amendments—outcomes nobody could have predicted in 1861. The war transformed federal power in unforeseen ways: the federal budget exploded from $63 million in 1860 to $1.2 billion in 1865. The war also catalyzed land-grant college legislation and educational expansion.

Finally, Gallagher reflects on the nature of historical understanding. He argues that history is fundamentally complicated because humans are complicated. The more one studies history, the more one realizes its complexity and one's own ignorance. He warns against seeking "cartoon versions" of historical events with simple good guys and bad guys. The arc of American history, despite serious problems, has generally expanded freedoms and liberties—a testament to the resilience and adaptability of the founding documents from 1787.