While several environmental , behavioral , and biological explanations for this pattern have been proposed Creating , the reason remains unknown .

Dark Winter was focused Aiming on evaluating Check the inadequacies of a national emergency response Communication during the use Using of a biological weapon against the American populace .

The exercise was solely intended to establish Creating preventive measures and response strategies by increasing Cause_change_of_position_on_a_scale governmental and public awareness of the magnitude and potential of such a threat posed Causation by biological weapons .

After Germany lost Earnings_and_losses the war Hostile_encounter , the International Military Tribunal at the Nuremberg Trials and Poland 's Supreme National Tribunal concluded Process_end that the aim Aiming of German policies in Poland – the extermination Killing of Poles and Jews – had `` all the characteristics of genocide in the biological meaning of this term . ''

According to Blair , the trigger Causation was Iraq 's failure Earnings_and_losses to take Getting a `` final Process_end opportunity '' to disarm Removing itself of alleged Statement nuclear , chemical , and biological weapons that U.S. and British officials called an immediate and intolerable threat Catastrophe to world peace .

The principal focus Aiming of the conference is on the development Coming_to_be and application Using of advanced Cause_to_make_progress computational methods for biological problems .

In turn , the Great Barrier Reef suffered Confronting_problem biological damage Damaging from coral bleaching and decreased Cause_change_of_position_on_a_scale salinity .