Final answer:
The emperor who ordered the occupation of Britain and the expulsion of all Jews from Rome was Claudius.
Step-by-step explanation:
The emperor who ordered the occupation of Britain and the expulsion of all Jews from Rome was Claudius. According to the historian Suetonius, Claudius expelled the Jews from Rome due to constant disturbances instigated by them. However, his edicts did not completely ban them from the city, but rather forbade them from holding meetings.