In Graham Greene's "The Destructors," discuss how Trevor overcame his circumstances.

I am uncertain as to the precise information you are
asking for. Normally when we use the phrase "overcome circumstances" we are referring to
a character, who, in spite of his poor upbringing or humble background, is nevertheless
able to achieve something extraordinary or spectacular. This is hardly the case with
Trevor. In fact, he is able to overcome his circumstances to commit an act of
destruction that reveals more about the pent up anger inside of him and his nihilism
than anything else.

Let us consider what we are told about
Trevor's family background:

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...the fact that his father, a former architect
and present clerk, had "come down in the world" and that his mother considered herself
better than his
neighbours.

The name that he
is given as well, Trevor, clearly marks him out as emerging from a different, higher
class than the rest of the gang, which is why they have to call him T. The little
information we are given about Trevor therefore shows that he has been raised in an
atmosphere of lots of conflict and resentment, and, as a result, he may have a lot of
pent-up anger. There is something ironic in the architect's son orchestrating the
complete and total destruction of an architectural gem in London that has somehow
managed to avoid being bombed.

Therefore Trevor doesn't
really rise up above his circumstances - he wallows in them, using them as a source of
rage and anger that he channels into destruction - for "destruction after all is a form
of creation."