30. The Impact of an Axis Victory in Egypt
If the Axis had won in North Africa and conquered Egypt, they would have interdicted the Suez Canal. That would have seriously discomfited the British and their supply lines to India and Asia, but it would not have severed them.
At various times, the Axis had managed to make the Mediterranean too hazardous for Allied shipping, and forced the British to reroute their supply convoys around Africa and the Cape of Good Hope. It took longer, but the supplies still reached their destination.