In my opinion, the greatest accomplishment that the Roman civilization did was conquering land. The Roman's were very skilled when it comes to getting more land for their empire, and that's what they did. Because of how successful and powerful their military was, they conquered land that was already owned by other empire's. The Roman's conquered land from empire's like he Celtic tribes, Carthage, the Hellenistic Empires, and many more. They conquered a large amount of Europe, North Africa, and Western Asia. This makes it a very big accomplishment because no other Empire had the manpower that the Roman's had, and because of Rome's manpower, they were bound to conquer a lot of Europe and other land. Them expanding their empire allowed them to control most of Europe and other places.
On december 16th, 1846, 15 of the members of the Donner Party strapped on makeshift snowshoes and tried to walk out of the mountains to try to find help. After several days trying to find help they were left starving and on the verge of collapse.
Please put more information
i cant answer your question with this info
It limited the power of the king