Complex sentence: The Sackler Gallery has received condemnation of the exhibition due to the timeframe and nature of the original excavation of the artefacts; with arguments put forwards about whether the display should be allowed.
Split into simpler sentences: The Sackler Gallery has received condemnation of the exhibition due to the timeframe and nature of the original excavation of the artefacts. Arguments have been put forwards about whether the display should be allowed.