The empire preserved Roman culture by creating a uniform code of law based on Roman law. These experts dropped outdated laws and rewrote others to make
them clearer. The new code was called the Justinian Code. The
code included laws on marriage, slavery, property ownership,
women’s rights, and criminal justice.
Although they spoke Greek, Byzantines thought of themselves
as part of the Roman cultural tradition. Byzantine students
studied Latin and Greek, and Roman literature and history. In
this way, the east preserved Greek and Roman culture. In the
former Western Empire, the Germanic peoples blended Roman
culture with their own. However, they lost much of the scientific
and philosophical knowledge of the Greeks and Romans. So overall your answer would be (Using latin as a primary language.) I think this will help u
