private static void initializeRussiaAndCIS(RoadFreightDbContext db)
 {
     if (db.RussiaAndCIS.Count() != 0)
     {
         return;
     }
     db.RussiaAndCIS.AddRange(russiaCIS);
     db.SaveChanges();
 }
 private static void initializeScandinavia(RoadFreightDbContext db)
 {
     if (db.Scandinavia.Count() != 0)
     {
         return;
     }
     db.Scandinavia.AddRange(scandinavia);
     db.SaveChanges();
 }
 private static void initializeBaltic(RoadFreightDbContext db)
 {
     if (db.Baltics.Count() != 0)
     {
         return;
     }
     db.Baltics.AddRange(baltic);
     db.SaveChanges();
 }