European Union created reforms to change political beliefs (2-7)

'change political beliefs' is the definition.

'european union created reforms' is the wordplay.
'european' becomes 'e' (abbreviation e.g. EU).
'union' becomes 'u' (common abbreviation as in 'Trades Union Congress').
'reforms' indicates anagramming the letters.
'e'+'u'+'created'='eucreated'
'eucreated' with letters rearranged gives 'RE-EDUCATE'.

'to' acts as a link.