Complex sentence: The alternative view is to see the campaign as triggered by the lure of territorial annexation and prestige, the sole motive ascribed by Cassius Dio.As far as territorial conquest involved tax-collecting, Michael Alexander Speidel: "Bellicosissimus Princeps".
Split into simpler sentences: The alternative view is to see the campaign as triggered by the lure of territorial annexation and prestige, the sole motive ascribed by Cassius Dio. Quoted by Bennett, Trajan, 188 As far as territorial conquest involved tax-collecting, Michael Alexander Speidel: "Bellicosissimus Princeps".