Might as well call them North and South.
But there's a problem, the North would be way better than the South, in terms of conference records 2014-2019.
https://csnbbs.com/thread-897963.html
South:
1. Ohio State: 48-4 (.923)
4. Penn State: 34-18 (.654)
10. Indiana: 16-36 (.308)
11. Purdue: 15-37 (.288)
12. Maryland: 14-38 (.269)
13. Illinois: 13-39 (.250)
14. Rutgers: 7-45 (.135)
Total South: 147-217 (.404)
2. Wisconsin: 41-11 (.788)
3. Michigan: 35-17 (.673)
5. Iowa: 33-19 (.635)
6. Michigan State: 31-21 (.596)
7. Northwestern: 30-22 (.577)
8. Minnesota: 24-28 (.462)
9. Nebraska: 23-29 (.442)
Total North: 217-147 (.596)
By contrast, East vs. West.
1. Ohio State: 48-4 (.923)
3. Michigan: 35-17 (.673)
4. Penn State: 34-18 (.654)
7. Michigan State: 31-21 (.596)
10. Indiana: 16-36 (.308)
12. Maryland: 14-38 (.269)
14. Rutgers: 7-45 (.135)
Total East: 185-179 (.508)
2. Wisconsin: 41-11 (.788)
5. Iowa: 33-19 (.635)
6. Northwestern: 30-22 (.577)
8. Minnesota: 24-28 (.462)
9. Nebraska: 23-29 (.442)
11. Purdue: 15-37 (.288)
13. Illinois: 13-39 (.250)
Total West: 179-185 (.492)