Need more to the question
Answer:
The Zimmerman telegram
Explanation:
It didn't come until the US had been in WW1 for 5 weeks
The best and most correct answer among the choices provided by the question is the sixth choice. One of the reason of the decline of the empire is violence, and the best example of which is the assassination of Julius Caesar. I hope my answer has come to your help. God bless and have a nice day ahead!
