How did Rome try to do "Reconquista"?

How did the Eastern Romans try to Retake their former Empire? While the Western portion was on a rapid decline during the 4th and early 5th centuries, the East was doing alright. Thus, when the Western Roman Empire completely collapsed before the start of the 6th century, a burning question quickly arose: would the Byzantines attempt to reclaim the fallen half of the once-united empire? At first, no, but the succession of Justinian I to the throne in Byzantium would suddenly change that answer… ♦Consider supporting the Channel:   / knowledgia   ♦Please consider to SUBSCRIBE: https://goo.gl/YJNqek ♦Music by Epidemic Sound ♦Script & Research : Skylar Gordon #History #Documentary #Roman