Complex sentence: The federal Progressive Conservatives dissolved in 2003 and a new Conservative Party of Canada was created but it is, at the moment, unclear whether the provincial party will have any formal link with the new federal Conservative Party.
Split into simpler sentences: The federal Progressive Conservatives dissolved in 2003, and a new Conservative Party of Canada was created. Tt is, at the time of writing, unclear whether the provincial party will have any formal link with the new federal Conservative Party.