Rapidly taking the offensive against his distracted and over-stretched opponent , by April 1941 Rommel had driven Self_motion the British and Commonwealth forces in Cyrenaica back across the Egyptian border .

Meanwhile , the garrison had paused Process_end in their retreat Escaping and upon hearing the sound of gunfire from the town , turned Change about and launched Process_start a surprise attack Attack back across the bridge , which caught Hold the rebels , distracted Causation by the unexpected pockets of resistance , completely by surprise .

A cause has never been established Building , and theories include Cause_to_be_included suicide , that he may have been distracted , or that he was affected by conditions such as transient global amnesia or akinesis with mutism .

The French lost Earnings_and_losses seven battleships ; the British none , but the battle Hostile_encounter distracted Hindering the British fleet long enough for the French convoy to safely reach Arriving port .

The National Transportation Safety Board ruled Legal_rulings that the derailment Catastrophe was caused Causation by the train 's engineer ( driver ) becoming Becoming distracted by other radio transmissions and losing Earnings_and_losses situational awareness , and said Statement that it would have been prevented Preventing_or_letting by positive train control , a computerized speed-limiting system that was operational Being_in_operation elsewhere on the Northeast Corridor , but whose activation Being_in_operation at the wreck site had been delayed Hindering due Causation to regulatory requirements .