In what ways were Islam and Christianity similar in how they started? please don't copy paste an answer

Mark each statement if it describes the roman empire at its height. choose all answers that are correct. a-the empire stretched from spain to assyria and from north africans great britain. b- there was several official languages in the vast roman empire. c- a series of roads unified the roman empire. d- set legal principles and respect for the governed unify the roman empire.e- a single currency was established to facilitate trade within the empire.