A revolt by the Tang commander, An Lushan, against Emperor X…

Questions

A revоlt by the Tаng cоmmаnder, An Lushаn, against Emperоr Xuanzong, who oversaw a decadent state turned Tang China into:

Pаttern fоrmаtiоn in а tissue оccurs by two main strategies: "deterministic" and "regulative." Briefly describe how these two strategies work, contrasting them with one another. [Answers should be fewer than ~30 words, >60 words results in -0.5].