Answer
Theodosius managed to repel the Great Conspiracy in Britain. Theodosius was the governor of Britain from 369 to 376, and during his time in office he was responsible for defeating the Great Conspiracy, a major rebellion of the Picts, Scots, and Angles against Roman rule. Theodosius's victory was a major turning point in the history of Roman Britain, and it helped to secure the province for the next few decades.