Amorium was strongly fortified Cause_change_of_strength and garrisoned Defending , but a traitor revealed Reveal_secret a weak spot in the wall , where the Abbasids concentrated their attack Attack , effecting a breach .

While Sihanouk was away in France , allowing Lon Nol to have considerable autonomy in effecting Influence his economic policies .

To facilitate Cause_to_make_progress the depopulation of Poland , the Nazis terrorised the general populace with the public , summary executions of selected Choosing intellectuals and community leaders , before effecting Influence the expulsions of the general population from occupied Poland .