Imperialism and World War One

Chapter 3 Vocab

Valeria Mendez, Period 6


The actions used by one nation to exercise political or economic control over a smaller nation. Three factors for American imperialism are thirst for new markets, belief in cultural superiority, and desire for military strength.


Country that is technically independent but is under the control of another country. Cuba was a protectorate of the U.S. under the Platt Amendment.


The idea that English speaking countries were superior and destined to dominate. This was a factor of American Imperialism.

Social Darwinism

The theory that only the strongest would survive. This idea came from Charles Darwin's belief of survival of the fittest.

Spanish American War

America went to war with Spain in 1898; as a result America gained territories in the Caribbean and Pacific.

Yellow Journalism

A story that was based off of very little truth. This influenced the start the Spanish American War.

Great White Fleet

Roosevelt sent 16 battleships of the U.S. Navy on a voyage around the world to showcase the nation's military might.

Open Door Policy

A policy that declared that other nations must share trading rights with the U.S.

Boxer Rebellion

The Boxers were a secret Chinese society. In 1900 they attacked foreigners killing hundreds of Christian missionaries and others.

Dollar Diplomacy

The effort of the U.S. to further it's aims in LA through use of it's economic power by guaranteeing loans made to foreign countries.

Roosevelt Corollary

An amendment to the Monroe Doctrine stating that the U.S. would intervene in Latin American affairs when necessary to maintain peace and stability in the western Hemisphere.

Big Stick Diplomacy

Assertion of U.S. dominance - relied on having a strong Naval force.

Moral Diplomacy

Support is only given to countries whose moral beliefs are similar to the U.S.

Panama Canal

The Spanish American War brought the need for a shortcut between the Atlantic and Pacific Oceans. The canal allowed resources and people to be moved faster.


Also known as neutrality. Wilson didn't want to enter the U.S. into the war because it didn't involve us.


Information designed to influence opinion. British used propaganda to win American support.


The British passage liner, Lusitania, was torpedoed and sunk by German U-boats.


Increasing military to be prepared for war and show strength.


An agreement between two or more countries to "back each other up"


Extreme devotion to one's country.

Zimmerman Telegraph

Telegraph from Germany to Mexico intercepted by British intelligence and shared with the U.S. If Mexico allied itself with Germany, they would fund a Mexican revolution to gain New Mexico, Arizona, and Texas back from the U.S.

War Industries Board

Created to ensure factory workers were happy and safe in their jobs so they wouldn't go on strike during the war.

Victory Garden

People would raise their own vegetables to make more food available for the troops.

Liberty Bonds

These were used to raise money to pay for the war.

Wilson's 14 Points

When Wilson went to Versailles, proposed 14 points to be included in the treaty.

League of Nations

This came from Wilson's 14 Points. It was a group of nations meant to preserve peace and prevent future wars.

Great Migration

Half a million African Americans left the south to settle in the north to fill job voids due to the war. Changed the racial makeup of many northern cities.

Henry Cabot Lodge

An American senator who pushed for the construction of a new navy. The US became one of the top-ranked naval powers by the late 1890's.

Queen Liliuokalani

The Queen of Hawaii who ascended the throne is 1891 and disliked that American Settlers had influence in Hawaii.

Alfred T. Mahan

Wrote Influence of Sea Power and stated that a nation needed a larger navy to protect its merchant ships and to defend its right to trade with other countries.

Joseph Pulitzer

Owned the New York World, which used yellow journalism

William Randolph Hearst

The owner of the New York Journal, which used yellow journalism, in order to get people to buy their newspaper.

Theodore Roosevelt

With the assassination of President William McKinley, Theodore Roosevelt, became the 26th and youngest President in the Nation's history. He brought new excitement and power to the office, vigorously leading Congress and the American public toward progressive reforms and a strong foreign policy.

William McKinley

President from 1897 to 1901 when he was assassinated. He was the president during the Spanish American War.

Woodrow Wilson

Elected president in 1913. He supported neutrality for the first 3 years of the World War I.

Arch Duke Franz Ferdinand

June 28, 1914 - he was assassinated by a Serbian nationalist. World War I began one week later.

Platt Amendment

This amendment gave the United States the power to buy or lease naval bases and intervene in Cuban affairs.

Espionage & Sedition Acts

Made it illegal to talk bad about the war, the government or the president. People were unhappy because it restricted their 1st Amendment rights.