SECTIONALIZE
sectionalize, sectionalise
(verb) divide into sections, especially into geographic sections; “sectionalize a country”
Source: WordNet® 3.1
Etymology
Verb
sectionalize (third-person singular simple present sectionalizes, present participle sectionalizing, simple past and past participle sectionalized)
(transitive) To divide into sections.
Source: Wiktionary
Sec"tion*al*ize, v. t.
Definition: To divide according to gepgraphical sections or local
interests. [U. S.]
The principal results of the struggle were to sectionalize parties.
Nicilay & Hay (Life of Lincoln).
Source: Webster’s Unabridged Dictionary 1913 Edition