Fort McHenry is what inspired the star spangled banner
extreme patriotism, especially in the form of aggressive or warlike foreign policy.
Answer:
- The sinking of the Lusitania
- The Zimmerman Telegram
Explanation:
German submarines attacked and sunk the Lusitania, a British passenger ship. This killed 128 Americans and created tensions between America and Germany.
Germany sent a telegram to Mexico to attack the United States. The United Kingdom was able to intercept the telegram and showed it the United States. The Zimmerman Telegram was the last straw for the United States.
The war started mainly because of four aspects Militarism Alliances Imperialism and Nationalism. This is because big armies become potential threats to other countries.
hope this helps
Direct election of U.S. senators is your answer!