History275Updated 3 Sept 20265 pages

OCR History B - Essential Guide: The Making of America

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Erin@loz_english
Ever wondered how America transformed from 13 small states into a massive continental nation? From Jefferson's ambitious Louisiana Purchase to the devastating Civil War and beyond, this period shows how expansion, slavery, and economic change shaped the America we know today.
History OCR B - Making of America – page 1

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Early American Expansion and Growing Tensions

Louisiana Purchase completely changed America's size and potential. In 1803, President Thomas Jefferson bought this massive territory for just $15 million, adding over 828,000 square miles to the nation. This wasn't just about land - it gave America control of the Mississippi River and the crucial port of New Orleans, opening up vital trade routes.

Lewis and Clark's expedition followed the purchase, tasked with exploring this new frontier and searching for a water route to the Pacific Ocean. Their journey marked the beginning of serious westward expansion, though it also started conflicts with Native American tribes as contact increased.

By 1838, slavery tensions were tearing the nation apart. With 2 million enslaved people in the South, the divide between North and South grew wider. Various compromise attempts temporarily reduced tensions, but abolitionists continued pushing to end slavery completely.

Key Point: The Louisiana Purchase doubled America's size but set the stage for conflicts over slavery's expansion that would eventually lead to civil war.

Five main groups created conflict: White Southerners needed slaves for their agricultural wealth, White Northerners saw slavery as immoral, Indigenous Americans faced threats from Southern expansion, Abolitionists worked to end slavery, and some Southerners protested in response. This explosive mix eventually led to the Civil War.

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Westward Movement and Life on the Plains

Manifest Destiny drove thousands of Americans westward after 1839. This belief that God destined America to expand across the continent motivated settlers, though practical factors mattered too. The Pre-emption Act of 1841 made western land cheaper, whilst economic troubles like the 1837 banking crisis pushed people to seek new opportunities.

Several groups headed west for different reasons. Overlanders crossed the Rocky Mountains seeking new lives, Mormons fled religious persecution to establish Salt Lake City in 1847, and gold prospectors rushed to California and Colorado hoping to strike it rich.

The Oregon Trail presented serious challenges including dangerous terrain, extreme weather, disease outbreaks, and attacks from Indigenous peoples. Many settlers died from cholera and typhus, whilst others struggled with food and water shortages during the long journey.

Key Point: The California Gold Rush of 1848 increased California's population from 15,000 to 250,000 by 1852, showing how quickly the West could transform.

The Sioux tribes, including the Lakota and Dakota, dominated the Great Plains before white settlement. These nomadic peoples lived in tipis, relied on buffalo for survival, and believed in the Great Spirit (Wakan Tanka). Their traditional way of life would soon face unprecedented challenges from westward expansion.

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Railroads, Homesteaders, and Plains Conflicts

The Pacific Railroad Act of 1862 revolutionised western settlement by connecting America's east and west coasts. Completed in 1869 at Promontory Point, Utah, this massive project employed over 12,000 Chinese immigrants who worked in dangerous conditions for little pay - over 1,200 died building it.

Homesteaders flocked to the plains after the Homestead Act of 1862 offered 160 acres of land for a small fee, provided they farmed it for five years. By the 1870s, 500,000 homesteaders had moved to Kansas alone, transforming the landscape into farmland.

Railroad expansion triggered serious conflicts with Plains tribes. The Sand Creek Massacre of 1864 saw Colorado volunteers attack Black Kettle's peaceful Cheyenne camp, whilst Little Crow's War erupted when starving Dakota people attacked Minnesota settlements after losing 28 million acres of land.

Key Point: Cow towns like Abilene sprang up where cattle trails met railroad lines, creating wild frontier settlements that needed sheriffs to control violence.

The cattle industry boomed as cowboys drove herds from Texas to railroad towns. However, harsh winters and overgrazing eventually led to the collapse of many smaller ranches, whilst large bonanza farms averaging 10,000 acres began dominating agriculture.

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Civil War and Its Aftermath

The American Civil War 186118651861-1865 killed over 750,000 people and fundamentally changed the nation. Political tensions, especially Abraham Lincoln's election, triggered Southern secession as the South feared losing their slavery-based economy that produced 42% of their exports through cotton.

Black Americans experienced the war differently depending on location. In the South, most remained enslaved and were forced to support the Confederate war effort, living in cramped plantation conditions without education. Northern Black workers could find jobs but faced segregation and were initially rejected from military service.

The war evolved from limited conflict to total war after Lincoln's Emancipation Proclamation in 1863. This threatened to end slavery completely, leading to more Black Americans joining Union regiments and missionaries teaching freed slaves to read and write.

Key Point: Three crucial amendments transformed America: the 13th abolished slavery, the 14th granted citizenship to all Americans, and the 15th prohibited voting restrictions based on race.

Reconstruction attempted to rebuild the South and integrate freed slaves into American society. Lincoln established the Freedmen's Bureau to help former slaves, but after his assassination, President Andrew Johnson's policies weakened these efforts, leading to ongoing tensions.

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Economic Transformation and Indigenous Struggles

By 1900, America's economy had transformed dramatically. The South rebuilt its agricultural base, producing more cotton than the North, whilst the American Tobacco Company controlled 90% of cigarette production. Big business was reshaping the entire nation.

Indigenous peoples faced their greatest crisis as government policies forced them onto reservations. The destruction of buffalo herds - essential to Plains tribes' survival - was deliberate, designed to force Native Americans to accept reservation life.

Life on reservations was harsh and degrading. Conditions were poor, with insufficient food supplies, and many Indigenous people contracted diseases. The Dawes Act of 1887 offered individual land ownership and US citizenship but forced tribes to give up their traditional communal lands.

Key Point: The Ghost Dance movement of the 1890s showed Indigenous peoples' desperation - dancers believed their prayers would bring back the buffalo and their traditional way of life.

Black Americans continued facing challenges after Reconstruction ended. Many left the South for northern cities seeking work, but racism meant they often faced discrimination in employment and housing. The Chicago World's Fair of 1893 showcased America's progress, yet highlighted ongoing inequalities for minority groups.

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