Persia went to war with Athens because before 490 B.C there was a riot in Persia and Athens send troops over to Persia to help the rebellion when the rebellion was defeated so what is why Persia went to war with not just Athens but the hole of greece
McClellan discovered General Robert E. Lee's battle plan.
Obviously, infiltration and access to battle plans allow for the opponent to figure out what their opponent's plans are, thus giving McClellan the victory at Antietam.
Hope this helps!
Answer:
Celtic people
Explanation:
When the Romans arrived in Britain and conquered big portion of it, they encountered the Celtic people. The Romans were very familiar with the Celtic people, as they lived in northern Italy, as well as most of Western Europe. The Celtic people in Britain had multiple similarities with the continental Celts, but also had their own unique traits, both physical and cultural. While the Celtic tribes were the dominant force in Britain, it has to be mentioned that there were also lot of Native British people, or rather big portion of them had accepted the Celtic culture. In the northern part of the island though, there were the Picts (still people of unknown origin) which were never conquered and were the reason for the building of Hadrian Wall.
I would have to say the answer is Patriotism