Not sure if you need all those or what?
An anthropologist named Paul Kirchkoff first used the term “Mesoamerica” (meso is Greek for “middle” or “intermediate”) in 1943 to designate these geographical areas as having shared cultural traits prior to the invasion of Europeans, and the term has remained.
The purpose of the event is to select the candidate that would represent them in the presidential election
But today, many people thought that the selection is more similar to business auction rather than actual election
hope this helps