Unrestricted Submarine Warfare (1 janv. 1917 – 1 janv. 1918)
Description:
Cause:1. result of desperation
2. belief that ferocity of tactic might keep America out of the war if results were spectacular
Effect:
1. Sinking of the Lusitania
2. killed citizens
3. contributed to U.S. entry into WW1
Ajouté au bande de temps:
Date:
1 janv. 1917
1 janv. 1918
~ 12 months