Add spaces between the words in the following text: However,theadhocestablishmentofagenciesovertheyearshasnotbeenaccompaniedbyanoverallvisionoftheirpositionintheUnion,whichhasmadeitmoredifficultforthemtoworkeffectivelyandtodeliverfortheEUasawhole.
However, the ad hoc establishment of agencies over the years has not been accompanied by an overall vision of their position in the Union, which has made it more difficult for them to work effectively and to deliver for the EU as a whole.