Weegy: Justinian rewrote the legal code of Rome. User: An upright stone slab that is engraved or inscribed is called a _____. hieroglyph petroglyph stele megalith Weegy: An upright stone slab that is engraved or inscribed is called a stele. User: What impact did Justinian l have on the Byzantine Empire, in an attempt to reunite the Roman Empire? He conquered most of Spain and all of France, but emptied the treasury. He rewrote the Roman legal code, the basis for civil law even today. He paid a tribute to neighboring empires to the West, to keep them content with his leadership. He welcomed neighbors from the North. (More)