It seems like your text is a bit fragmented with the placeholder "Response area" instead of specific historical terms. Here’s a revised and coherent version with those terms filled in:
When the Western Roman Empire fell, the Eastern Roman Empire continued to flourish and became known as the Byzantine Empire. The capital was renamed Constantinople after Emperor Constantine. After the Battle of Milvian Bridge in 312 AD, Constantine converted to Christianity and later issued the Edict of Milan in 313 AD, allowing Christians to practice their faith without persecution.
Corpus Juris Civilis, often referred to as Justinian's Code, was a code of law issued by Emperor Justinian. It was used to set rules for the Byzantine Empire and its conquered lands. His wife, Empress Theodora, worked to reform issues in society and championed women's rights.
The Byzantine Empire effectively ended in 1453 when it was conquered by the Ottoman Turks.
Feel free to ask if you need more information or want to expand on any part of this history!