The nephew of Roman emperor Trajan, Hadrian became emperor when he was adopted and named successor just before Trajan’s death, after years of intrigue. After executing his senatorial opponents and abandoning many of Trajan’s conquests, he began to travel widely, and many of his accomplishments were related to his visits abroad, including the beginning of construction of Hadrian’s Wall. The wall is one of the largest and most significant remains of the Roman occupation of what area? Discuss