The Triple Entente was an alliance between France, Russia, and Great Britain.

The Triple Alliance was an alliance between Germany, Austria-Hungary, and Italy.

The assassination of Archduke Franz Ferdinand, heir to the Austro-Hungarian throne, was the event that sparked World War I.

The Zimmermann Telegram was a secret telegram sent by Germany to Mexico proposing an alliance against the United States.

Woodrow Wilson was the American president who led the United States into World War I.

The Treaty of Versailles was the treaty that ended World War I.

The terms of the Treaty of Versailles included Germany losing territory to France, Belgium, and Poland, Germany being forced to pay reparations, and Germany being disarmed.

The consequences of the Treaty of Versailles included Germany being weakened economically and militarily, Germany being humiliated, and Germany being forced to accept responsibility for starting World War I.

The long-term causes of World War I included imperialism, nationalism, and militarism.

The immediate causes of World War I included the Assassination of Archduke Franz Ferdinand, the Zimmermann Telegram, and the Lusitania Sinking.

Approximately 17 million people died in World War I.

The impact of World War I on the world included the collapse of the Russian Empire, the rise of communism, and the creation of the League of Nations.

The lessons that can be learned from World War I include that war is a terrible thing, diplomacy is important, and alliances can be dangerous.

To prevent future world wars, we can promote peace and understanding, resolve conflicts peacefully, and reduce armaments.

The legacy of World War I includes being a reminder of the horrors of war, the importance of peace, and the need for international cooperation.