a triumph: a great success
shock this country to the core:
disturb and upset the people of this country
the decisive factor: something
that, more than anything else, influences the outcome of an issue
his first priority: the thing he
must do first
the outgoing government: the government
who have been voted out
a vocal opponent: someone who is
against something and criticises it publicly
seek to: try to
late swing: a change in voting
towards the end of an election
disturbing: worrying, upsetting
significant influence: the power
to affect the outcome of something