Answer: I believe it is the battle of the Marne, it was a Franco-British Victory.
Primary sources told an account of what actually happened because they were recorded from the actual event itself/saw the actual event
secondary sources (like our textbooks) arent 100% accurate because they are based off of the primary sources
Question- Why did Cicero speak out against Julius Caesar?
Answer- But rule by one person can easily become tyranny." Cicero spoke out against Julius Caesar when Caesar declared himself dictator. Julius Caesar knew if anyone could stop him from taking over the government of Rome it would be Cicero. By then, Caesar had the Roman legion under his control.