public DBManager(){
		mainDB = new MainDB ();
		supervillainsDB = new SupervillainsDB ();
		schoolClassDB = new SchoolClassDB ();
		buildingDB = new BuildingDB (schoolClassDB);
		researchDB = new ResearchDB ();
		superHeroesDB = new SuperheroesDB ();
		superPowersDB = new SuperPowersDB();
		eventDB = new EventDB();
	}
	public GradeSchool(SchoolClassDB schoolClassDB) : base(schoolClassDB){
		curriculum = new Curriculum(this.GetType());
	}
	public CombatU(SchoolClassDB schoolClassDB) : base(schoolClassDB){

	}
	public TeachingU(SchoolClassDB schoolClassDB) : base(schoolClassDB){

	}
	public School(SchoolClassDB schoolClassDB){
		this.schoolClassDB = schoolClassDB;
	}
	public Undecided(SchoolClassDB schoolClassDB) : base(schoolClassDB){
		
	}
	public IntelligenceU(SchoolClassDB schoolClassDB) : base(schoolClassDB){

	}