//type (string), name (string), power (int), secondaryParameter (floating-point number).
    public void AssignBender(List <string> benderArgs)
    {
        string benderType    = benderArgs[0];
        Bender currentbender = BenderFactory.MakeBender(benderArgs);

        this.nations[benderType].AddBender(currentbender);
    }
    public void AssignBender(List <string> benderArgs)
    {
        var type  = benderArgs[0];
        var name  = benderArgs[1];
        var power = int.Parse(benderArgs[2]);
        var secondaryParameter = double.Parse(benderArgs[3]);

        var bender = BenderFactory.MakeBender(type, name, power, secondaryParameter);

        this.nations[type].Benders.Add(bender);
    }