Complex sentence: The Brotherhood is renowned for its highly selective membership process which gives its "internal cohesiveness and ideological rigidity" and is unique among Egyptian political/social organizations in its "breath" and "depth" of networks.
Split into simpler sentences: The Brotherhood is renowned for its highly selective membership process which gives its "internal cohesiveness and ideological rigidity". It is unique among Egyptian political/social organizations in its "breath" and "depth" of networks.