Military expansion. The Rashidun Caliphate expanded gradually; within the span of 24 years of conquest, a vast territory was conquered comprising Mesopotamia, the Levant, parts of Anatolia, and most of the Sasanian Empire. Unlike the Sasanian Persians, the Byzantines, after losing Syria, retreated back to Anatolia.
1 And the nature of this reality again can neither be consistently represented as a fixed and hard substance nor as an unalterable something, but only as a fixed order of recurrence of continually changing events or impressions.
consistent adjective (AGREEING) C2 [ after verb ] in agreement with other facts or with typical or previous behaviour, or having the same principles as something else: What the witness said in court was not consistent with the statement he made to the police. We do not consider his behaviour to be consistent with the holding of a high-ranking job. 1  The figures are not consistent with his argument.  His remarks are not consistent with the role of a head teacher.