1. Manifest destiny
   3/5ths amendment​
2. Truman Doctrine
   New Deal

Manifest destiny was not an actual policy from the United States government. However, it did give people in the United States a sense of unity.

1. Civil War
   World War I
2. The Cold War
   American Revolution

Though there were many factors, one of the main reasons for the American Revolution was because England imposed taxes on the colonies without giving them representation in Parliament. Of course, most of those taxes went to paying off the French and Indian War, which was fought for the colonists.

1. One
   Two
2. Three
   Four

George Washington set the precedent for serving only two terms. Many people wanted him to continue to hold power, but he was tired of the political life and didn't want to be seen as a tyrant in the new democracy.

1. Thomas Jefferson
   Abraham Lincoln
2. Alexander Hamilton
   Andrew Jackson

The Federalist Party believed in a strong central government. Of course, this wasn't universally popular because the new country had just come out from under the rule of another powerful government in England.

1. Thomas Jefferson
   Abraham Lincoln
2. Andrew Jackson
   Theodore Roosevelt

Thomas Jefferson was one of the authors of the Declaration of Independence. He also served as the third President of the United States.

1. Spain
   England
2. Japan
   Germany

England was also fighting a war against France during the War of 1812, which forced them to stretch out their forces. Without the proper numbers to dedicate to the conflict in America, England lost the war with the United States, as the U.S. proved it could defend itself from foreign invaders.

1. George Washington
   Thomas Jefferson
2. Andrew Jackson
   Abraham Lincoln

Andrew Jackson spent much of his military life fighting either with or against Native Americans. From his experience, Jackson believed it was harmful on both sides to continue to live side by side, and early in his presidency, he began to push for a removal plan.

1. Alexander Graham Bell
   Eli Whitney
2. Thomas Edison
   Benjamin​ Franklin

The cotton gin propelled the popularity of cotton significantly because it sped up the process of removing seeds from the cotton. However, the invention also led to an increased need for slavery in the South.

1. 3/5ths amendment​
   Materialism
2. Patriotism
   Isolationism

Isolationism was a popular belief, particularly in the early years of the country. Most proponents believed that getting involved in foreign​ affairs would only lead to unnecessary conflicts.

1. Patriotism
   Interventionalism
2. Nationalism
   Materialism

For the most part, the U.S. managed to maintain its belief in isolationism until the Spanish-American War. In this war, the U.S. took control of the Philippines.

1. William Lloyd Garrison
   Jefferson Davis
2. Robert E. Lee
   Jesse James

William Lloyd Garrison was known for his newspaper, "The Liberator." Garrison's objective was to push for the immediate emancipation of all slaves in the United States.

1. Frederick Douglass
   Robert Frost
2. Harriet Beecher Stowe
   Mark Twain

"Uncle Tom's Cabin" was a controversial novel that depicted the horrendous treatment of slaves. Abraham Lincoln once said this book started the Civil War.

1. World War I
   Civil War
2. World War II
   Cold War

The first shot during the Civil War was fired at Fort Sumter in 1861. No one would die at Fort Sumter during that attack, but plenty of soldiers would die as the war continued.

1. Abraham Lincoln
   Andrew Johnson
2. Ulysses​ S. Grant
   Theodore Roosevelt

The Emancipation Proclamation only freed slaves in states that joined the Confederacy. The reason for this was because the North still had slave states fighting on their side.

1. Ulysses S. Grant
   William Sherman
2. Robert E. Lee
   Ambrose Burnside

Robert E. Lee was offered a position in the Union Army before his home state of Virginia joined the Confederacy. Lee decided to side with his home state in the conflict.

1. Andrew Carnegie
   John D. Rockefeller
2. Cornelius Vanderbilt
   Henry Ford

After taking into account inflation, Rockefeller is believed to have been the wealthiest American to ever live. However, Rockefeller put that wealth to good use as he became one of the greatest philanthropists of all time.

1. Cornelius Vanderbilt
   Henry Ford
2. Stephen Girard
   Andrew Carnegie

Carnegie sold his steel company to J.P. Morgan in 1901. Aside from U.S. Steel, Morgan also helped create General Electric.

1. Henry Ford
   Nikola Tesla
2. Alexander Graham Bell
   Samuel Morse

Alexander Graham Bell founded AT&T in 1885. He had only received his patent for the telephone nine years earlier.

1. 1917
   1944
2. 1963
   1988

World War I demonstrated the dangers of military pacts between countries. Though it was known as the "Great War" at the time, it only served as an example of things to come.

1. 1924
   1929
2. 1932
   1936

The stock market crash of 1929 followed a period of prosperity known as The Roaring Twenties. The time was defined by economic growth and a cultural boom.

1. 13th
   18th
2. 21st
   23rd

The 18th amendment was widely unpopular across the country, particularly in major cities. Ultimately, it led to wide-spread bootlegging.

1. 1915
   1920
2. 1928
   1933

The Women's Suffrage Movement gained momentum in the 19th century as women sought more rights across the board. The Seneca Falls Convention in 1848, the first women's rights convention, was a major turning point for women and their mission.

1. Military-industrial complex
   Monroe Doctrine
2. Civil Rights Act
   New Deal

The New Deal created millions of jobs for unemployed Americans. Of course, many still opposed the programs, believing the government shouldn't interfere with the economy, even as it came tumbling down.

1. Pearl Harbor
   Pentagon
2. Twin Towers
   White House

After the attack on Pearl Harbor, fear towards Japanese-Americans spread across the United States. Eventually, internment camps were set up to incarcerate people with Japanese ancestry​.

1. Germany
   Italy
2. Britain
   Japan

After entering WWII, the United States decided to focus its attention on the war in Europe before turning to the Pacific campaign. After Germany was defeated, though, the United States sought a quick end to the war against Japan.

1. Germany
   Japan
2. Russia
   Italy

The United States knew they would lose thousands of soldiers if they continued a drawn-out war against Japan. Instead of allowing that to happen, they dropped two atomic bombs on different cities in Japan, killing hundreds of thousands of citizens.

1. Patriotism
   Nationalism
2. Nativism
   Materialism

Nativism has influenced the United States since the country was founded. The hostility has eased as more and more immigrants enter the country.

1. Roosevelt Corollary
   Monroe Doctrine
2. Patriotism
   Domino Theory

The fear of Communism in the United States after World War II was so severe that a witch hunt began inside the country. This witch hunt, known as McCarthyism, was led by Joseph McCarthy.

1. North/South
   East/West
2. Central/Rural
   National/Domestic

Vietnam was a perfect example of the Domino Theory. The United States tried to help South Vietnam build a strong government capable of keeping the Communist government of North Vietnam from spreading south.

1. The Russian Civil War
   The Communist Conflict
2. Desert Sand
   The Cold War

Though the Cold War lacked direct conflict, there was plenty of tension around the world as Russia and the United States both acquired nuclear​ technology. At no point did the world come closer to a nuclear holocaust than during the Cuban Missle Crisis.

1. Gerald Ford
   John F. Kennedy
2. Jimmy Carter
   Ronald Reagan

John F. Kennedy was assassinated in Texas by Lee Harvey Oswald. It has been widely speculated that the assassination was a conspiracy.

1. 1955
   1958
2. 1964
   1974

The Civil Rights Act of 1964 was a result of the Civil Rights Movement in the country, led by figures like Malcolm X and Martin Luther King Jr. The act ended segregation in public places and prevented discrimination based on sex, race, color, religion, or national origin.

1. Patriotism
   Nationalism
2. Materialism
   Counterculture

The Counterculture Movement of the 1960s was one of the most prominent movements against mainstream society in the history of the United States. Bob Dylan, Hunter S. Thompson, and Allen Ginsberg were important leaders of the movement.

1. Buzz Aldrin
   Yuri Gagarin
2. Neil Armstrong
   John Glenn

Neil Armstrong traveled to the moon on Apollo 11. He officially stepped onto the lunar surface on July 21, 1969.

1. 1998
   2001
2. 2004
   2006

The attack on 9/11 killed nearly 3,000 people. After the attack, the United States went into a series of wars in the Middle East.