additionally, your text looks like English is your second language, so once you do post an intro, you'll have to give us a good reason (and, a generic "research paper" isn't likely) to give us a warm and fuzzy that you aren't fishing for intel on how Rangers operate.
in short, you're not likely to get an answer to your question. you don't "need to know", and haven't satisfied my curiosity as to a meaningful need to know. so there's that.
A Co & HHC 3/75 '93-'98.
200 meters of green shit next to a river in the desert does not qualify as a "Crescent of Fertility" -me
"The meek shall inherit the earth, one meter wide and two meters long" -Lazarus Long