French North Africa : Operation Torch .
Stalin wanted the Allies to open a second front in Europe to releive pressure from his advancing army. If a second front was opened Hitler would have to split his forces and deal with two prongs that were advancing on Berlin and the Rhine, or the production heart of Germany. If either of these were taken Hitler would lose the war. The second front was made to put more pressure on Hitler and end the war quicker.
Teheran
To start a second front for the allies and to help relieve the Soviets.
During World War II, the Second Front long-desired by the Allies was finally opened in 1944 in western Europe. This additional front against Germany was started with the successful amphibious invasion -- code-named 'Operation Overlord' -- of Normandy, located in the north central portion of France along the Atlantic coast.
D-Day in June 6,1944.
By opening a second front the Allies would be able to draw off German strength from the Eastern Front and help relieve pressure upon the Russians .
Josef Stalin, leader of the Soviet Union
It allowed the Second Reich (Germany) to transfer all of the forces it had allocated to the Eastern Front to the Western Front, thus making fighting more intense on the Western Front.
The Russians wanted the Allies to open a second front where German forces would be drawn off and the diversion of German military assets to another front other than the Eastern Front would help the Russian march to Berlin .
Joseph Stalin needed a second front opened to draw off German Forces and to ease the pressure that was being placed on the USSR.
A plan for the Western allies to open the second front in France in 1942.
The defeat of the Carthaginian army by the Romans and their allies in front of Carthabe, with Carthage's capitulation.