1. Helping Great Britain survive via the Lend-Lease act
2. Helping the Soviets with the Lend-Lease act and providing them with jeeps, trucks, food, aircraft, and locomotives, which allowed the Soviets to focus on tank production and defeat the Germans
3. Invading Italy and Germany in partnership with the British through Operation Torch (North African landings) and Operation Overlord (Normandy landings), which eventually led to the conquest of western Europe.
Helping Britain survive was the most important contribution, without which Britain would have collapsed or become a vassal of Germany. Without American aid, Britain would likely have been finished. And without Britain, probably …show more content…
It would not have happened in 1945 - maybe it would have taken another 3 years. I don't think Hitler could EVER have defeated the Soviets. The need to have to fight on a second front in the west did weaken Hitler and hastened the demise of the Third Reich; however, Germany had received so many body blows even before Torch and Normandy that its defeat was assured at Soviet Hands. Operation Torch, the landings in North Africa, happened in October 1943; however, the German march eastward was forever stopped at Kursk earlier that year, in August 1943 (see Battle of Kursk). After Kursk, the Germans were in constant retreat. Normandy happened in June 1944; however, the success of Normandy, which merely established a beachhead in Northern France for allied forces to land and invade the continent, was massively eclipsed (though much less reported in the western press) by the much more successful Operation Bagration (Operation Bagration), which commenced on June 22 (three years from the start of the German-Soviet conflict in 1941) and ended on August 19, resulting in the deaths of 1.5 million Germans, the destruction of an entire Army Group (Army Group Center), the loss of about 17 army divisions, and the liberation of