Which act and which war are being referred to in the newspaper headline shown?

Newspaper Headline: Victory Here, Kaiser Flees

Armistice Day, which ended World War I

the League of Nations, which ended World War II

the Weimar Republic, which ended World War II

the Treaty of Versailles, which ended World War I

Armistice Day, which ended World War I

the League of Nations, which ended World War II

the Weimar Republic, which ended World War II

the Treaty of Versailles, which ended World War I

choose the correct answer

Armistice Day, which ended World War I with the Treaty of Versailles