USA & THE WAR:

1. True Neutrality:

2. Actual Neutrality:

3. American Trading Rights & British Blockade:

4. The Battle for the Atlantic.

a. Restricted Submarine use:

b. Unrestricted Submarine use:

c. The Lusitania (07 May 15)

5. The Zimmermann Telegram:

6. Steps toward participation.

a. Arming of Merchant Ships:

b. Declaration of War:

c. US Naval actions:

d. The American Expeditionary Force: