Along with the battlefield reverses was the inability of the `` Luftwaffe '' to produce Creating enough experienced night fighter crews which was exacerbated Cause_change_of_position_on_a_scale by the crippling shortage of fuel at this stage in the war which contributed Causation to the collapse of training programs and grounded combat units .

A series of Moorish defeats and reverses Escaping had left Causation Gibraltar as a Moorish-held enclave within Castilian territory .