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.
conâ¢sistâ¢ent. 1. agreeing or accordant; compatible; not self-contradictory: actions consistent with his views. 2. constantly adhering to the same principles, course, form, etc.: a consistent opponent of capital punishment. 3. holding firmly together; cohering.