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

U.S suspends all draft calls victory here, kaiser flees

1. Armistice Day, which ended World War I

2. the League of Nations, which ended World War II

3. the Weimar Republic, which ended World War II

4. 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

4. the Treaty of Versailles, which ended World War I