Who or what am I? Identify the person or event described by each set of clues.
a I was included as a clause in the Treaty of Versailles in order to provide legal justification for
requiring Germany to pay reparations.

byzantine empire is the answer i think you are looking for.

hope this : )

the exodus of these people from constantinople contributed to the revival of greek and roman studies, which led to the development of the renaissance in humanism and science. byzantine emigrants also brought to western europe the better preserved and accumulated knowledge of their own greek civilization