public override bool TerritoryCompatible(Territory t) => t.TerritoryType == TerritoryType.Sea || t.TerritoryType == TerritoryType.Coast;
public bool Equals(Territory other) { return(Name == other.Name); }
public abstract bool TerritoryCompatible(Territory t);
public bool SupplyCenterIsOwnedBy(Territory t, Coalition c) => c.Members.Any(p => SupplyCenterIsOwnedBy(t, p));
public bool SupplyCenterIsOwnedBy(Territory t, Powers p) => t.IsSupplyCenter ? OwnedSupplyCenters[p].Contains(t) : false;
public bool IsUnoccupied(Territory t) => !IsOccupied(t);
public bool IsOccupied(Territory t) => OccupiedTerritories.ContainsKey(t);