Townsend Acts, aka Intolerable Acts.
Answer:
it helped the independence
Explanation:
The most significant effect that the U-boat attacks had on fighting land was that they were able to destroy the enemies vital supplies.
I believe the answer is...
The Treaty of Versailles
Japanese Expansion
Fascism
Appeasement
Great Depression and more ...hope that helped
The zhou adopted much of the (shang) culture