Answer:
I feel like everyone should be able to work in the kitchen doing everything there, nothing by gender or race, it just seems rude.
Let's think about what splits the earth, the equator splits the earth from North to South. The Prime Meridian is what splits the earth from East to West.
Probably by what plants and animals can live in the area in turn changing how each place makes food, some may only have access to onions and garlic with maybe beef and goat while others have deer and pigs with parsley and bayleaf
Because of the expenses of living in the cities and the drug usage.
Points as in graphing points is X,Y or Domain and Range if thats what you mean.