Did processed canned food help the allies win world war 2?

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A trooper in the field needed about three pounds of food a day. A million US troops in England and France needed three million pounds. A DAY. In many cases where there wasn't refrigeration or even clean water.

No, because both sides had it (as noted), what made the difference was the delivery – regular and consistent transport was required. Much of the German logistic support relied on horse-drawn transport and railways, slow and open to attack, especially aerial, it does not take many days delay to critically affect supplies at the front.

No we were winning in North Africa of Fresh food from the empire in europe we had Cow Lines where the cooks cooked a Hot meal No Ration Packs there

and we won the Battle of Britain without any processed foods as in K rations C rations Etc

i survived WW2 5 years of bombings only saw Ration packs after WW2 when i Joined the RAF the Oldest was dated 1944 and 1944 for the American stuff we used them in Borneo and the Malaysian emergency

edit found this

These are reproductions of the rations that were issued to British troops beginning in 1944, just before D-Day. This version contains tinned ham, one of the seven original versions of the ration. Here is a list of the items you will receive.

1 tinned Ham in Round MOF tin,

1 Pocket Tin Opener,

1 pack of "Biscuits, Plain" (Hard Bread/Crackers),

1 block "Chocolate, Vitamin Fortified",

1 sachet of "Boiled Sweets",

2 Tea Blocks (late war Tea-Milk-Sugar Combo),

1 pack of "Biscuit, Sweet",

1 pack of plain matches,

1 pack of Latrine Paper,

1 Pack of Oatmeal, Instant,

2 packets of Meat Broth,

2 packs of Chewing Gum,

2 packs of Sugar Tablets,

1 Instruction and Menu Sheet

These are identical to the rations issued just prior to D-Day 1944 and were generally issued 2 per man.

Sure. It started helping armies since Napoleon.

Yes, certainly.

As the saying goes, "An army marches on its stomach."

Without food supplies, no one can keep fighting for long.

It enabled them to keep on fighting in top physical form.