Answer:
A convention is an agreement between 2 countries helping over a particular problem, less formal then a treaty . Also a convention is a gathering where people meet and discuss a problem or similar interests.
The intercepted Zimmerman note and the Germans sinking the American ship, Lusitania
C) united states, Britain and ussr
Answer: No answer.
Explanation:
For this question since it’s in history, I advise you to look up Britannica because it helps you on learning about this certain question. My opinion.