📝 Unrestricted submarine warfare (began January 1917)

Q1. In which month and year did Germany officially reinstate unrestricted submarine warfare that targeted all Allied and neutral shipping?

💡 Difficulty: easy | ✅ Correct: A

Q2. Scenario: A British convoy commander in 1917 must decide whether to route a convoy through a known U‑boat hotspot or take a longer, safer path. Which factor should most heavily influence his decision?

💡 Difficulty: medium | ✅ Correct: C

Q3. Hard: Assess the long‑term diplomatic repercussions of Germany’s 1917 unrestricted submarine warfare on post‑war treaty negotiations. Which outcome was most significant?

💡 Difficulty: hard | ✅ Correct: B