Unrestricted Submarine Warfare (jan 1, 1917 – jan 1, 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
Added to timeline:
Date:
jan 1, 1917
jan 1, 1918
~ 12 months