Which battle was a major turning point in favor of the allies in north africa?

battle of stalingrad
battle of el alamein
battle of normandy
battle of the bulge

The battle of stalingrad was a major turning point for the russian army and gave them the will to go on and push the nazi's out of russia entirely

This is what i found on google “the first mobile phone call was made 40 years ago today. on april 3, 1973, motorola employee martin cooper stood in midtown manhattan and placed a call to the headquarters of bell labs in new jersey.” i hope this you for what your looking.

Ineed more to the question