Answer:
Rome became the most powerful state in the world by the first century BCE through a combination of military power, political flexibility, economic expansion, and more than a bit of good luck. This expansion changed the Mediterranean world and also changed Rome itself.
Justinian I.
Explanation:
The Roman have had their own unique set of laws that they implement on all new territories that they have conquered. Everyone had to obey these laws and respect them. The problem was that as the society was becoming more and more developed the Roman laws started to gradually lose sense or to be badly formatted for the changed circumstances, thus creating lot of confusion.
Justinian I decided to change this. He took the Roman laws, sorted them out properly and in accordance to the needs of the people and the state. He then changed some and also implemented some new ones. All in all, Justinian managed to create a better organized, more developed, practical, and modern set of laws. He created the Justinian Code.
Kristallnacht
This event came to be called Kristallnacht (The Night of Broken Glass) because of the shattered glass that littered the streets after the vandalism and destruction of Jewish-owned businesses, synagogues, and homes.
Always yield to the right of way to vehicles
