The idea that it was America's god-given duty to expand across the rest of the continent
John O'Sullivan
Journalist who coined the term "Manifest Destiny"
James K. Polk
The "Manifest Destiny" president who campaigned on the slogan "54-40 or fight" to gain the Oregon territory from Britain
The discovery of gold in California in 1848 fueled the idea of Manifest Destiny
Many Americans were willing to risk the hardships found along the westward Trails like the Oregon, Santa Fe, and Mormon Trails in hopes of a brighter future and economic opportunities out west
Texas Independence
Debates increased over the annexation of Texas into the Union
Congress worried that annexing Texas would upset the balance between slave and free states that had been established since the Missouri Compromise
Texas was ultimately annexed in 1845 by President Polk
Border dispute between America and Mexico at the Rio Grande River
Fighting broke out, leading to the Mexican-American War
During the Mexican-American War, Pennsylvania representative David Wilmot proposed that the institution of slavery be banned from any land gained as a result of the war, even though this proposal failed
The Mexican-American War officially ended in 1848 with the Treaty of Guadalupe Hidalgo, which significantly extended American land
America's borders were extended West to the Pacific Ocean and South to the Rio Grande River, although the southern border wasn't finalized until the Gadsden Purchase
Following the Mexican cession, tension increased over the status of the new land - would slavery be permitted?
Free Soil Party
Many Americans who wanted to prevent slavery from expanding into the new territories
Compromise of 1850
Negotiated by Henry Clay, it added California as a free state but allowed for popular sovereignty in Utah and New Mexico, and strengthened the Fugitive Slave Act
The Compromise of 1850 angered Northerners because they felt it made them complicit in the institution of slavery
Kansas-Nebraska Act
Passed in 1854, it allowed for popular sovereignty in the two territories, nullifying the 3630 line established under the Missouri Compromise
The Kansas-Nebraska Act led to "Bleeding Kansas" as pro- and anti-slavery factions flooded into the territory hoping to influence the vote
Republican Party
Formed in response to the Kansas-Nebraska Act, they were able to unify Americans who opposed the expansion of slavery into the western territories
Harriet Tubman
Helped an estimated 300 slaves escape to the north on the Underground Railroad
Harriet Beecher Stowe
Published her novel "Uncle Tom's Cabin", which showed the cruelty and inhumanity of enslavement
George Fitzhugh
A Southerner who argued that the working condition and treatment of Northern Industrial laborers was worse than slavery
Dred Scott Case
The Supreme Court declared in 1857 that African-Americans were not citizens and therefore could not sue in a US court
John Brown
An abolitionist who led the raid on Harper's Ferry, Virginia in an attempt to arm a slave rebellion
The North had a diverse economy based on manufacturing and trade, while the Southern economy almost exclusively relied on plantation agriculture
These economic differences also led to debates over tariffs, which helped Northern manufacturing but hurt Southern cotton sales
1860 Presidential Election
Four candidates ran, including a split Democratic ticket, enabling Lincoln to win despite not receiving a single Southern vote
South Carolina seceded shortly after Lincoln's election, followed by six more Southern States who formed the Confederate States of America
Jefferson Davis
Elected president of the Confederacy
Union Advantages
Larger population, control of the US Navy and banks, more infrastructure like railroads and farmland
Confederate Advantages
Determination to keep slavery, better military leadership with experienced generals like Robert E. Lee
Fort Sumter
The official start of the Civil War
Antietam
The Confederate loss here discouraged foreign intervention
Battle of Gettysburg
Considered the turning point of the war, officially ending Southern attempts to invade the North
Atlanta Campaign
General Sherman used Total War to destroy the Southern morale and supplies, weaving a path of Destruction from Atlanta to Savannah
Appomattox
Where the Confederacy was forced to surrender
Abraham Lincoln
His leadership was instrumental in the Union victory, he was determined to restore the Union
Lincoln approved the draft of 75,000 troops and the Conscription Act was passed in 1863 to draft additional troops
Lincoln restricted civil liberties during the war by suspending habeas corpus, allowing anyone rebelling or interfering with the war effort to be arrested and denied legal rights
Emancipation Proclamation
Issued by Lincoln, it officially made the war about slavery and allowed African-Americans to join the Union Army