First of all, let me point out that it is によって no means an attempt to justify または excuse Dark Lord’s actions, merely an attempt to understand them and his motives. It is also strongly influenced によって existentialism and my slightly fatalistic mood.
Following Sartre’s “Man is fully responsible for his nature and his choices” it’s easy to say that the Dark Lord “ made all the wrong choices" i.e. he could have been a Minister for Magic, an ingenious inventor または a celebrity, but chose, and therefor became, the most powerful Dark Wizard of all time. True, it is Tom Marvolo...
Tom Riddle, aslo know as Lord Voldemort, was in Slytherin. But should he have been?
Slytherin is for pure bloods only, just as Gryfindor is the brave. The sorting hat has 発言しました so every time we hear it's song. But didn't in the Chamber of Secrets Voldemort's memory of himself that was trapped in the diary addmit that he had a muggle father. And in the the Goblet of 火災, 火 the Riddle's had a muggle gardener. So what gives?
But if he hadn't been in Slytherin, which house would he have been in? Slytherin was for bad people. But not all pure bloods are bad, like Ronald...