I also read a theory somewhere (can’t remember where) that if, in canon, Voldemort had killed Harry in the graveyard as intended, he and his crew could use the portkey’s return trip in order to wreak havoc upon Hogwarts; they can’t just apparate in, and all the ministry officials would be trapped there for them to slaughter, without escape routes.
I also read a theory somewhere (can’t remember where) that if, in canon, Voldemort had killed Harry in the graveyard as intended, he and his crew could use the portkey’s return trip in order to wreak havoc upon Hogwarts; they can’t just apparate in, and all the ministry officials would be trapped there for them to slaughter, without escape routes.