During World War I, rations were the primary food source for soldiers in the trenches. The rations provided to soldiers varied depending on the country and the availability of resources. Here are some general examples of World War I rations:

1. British Rations: The British soldiers were given "Bully Beef" (canned corned beef), "Maconochie" (canned stew), hardtack biscuits, tea, sugar, salt, and bacon. They also received items like cheese, jam, and condensed milk when available. Vegetables were scarce, but soldiers sometimes received tinned or dried vegetables like onions and potatoes.

2. American Rations: American soldiers were provided with similar items to the British, including canned meat (such as corned beef and ham), hard bread or "hardtack," canned vegetables, coffee, sugar, salt, and sometimes chocolate and cigarettes.

3. French Rations: French soldiers received various items, including canned meat (like beef or mutton), biscuits, coffee, sugar, salt, and tobacco. They also received wine as part of their rations.

4. German Rations: German soldiers' rations typically included canned meat (such as sausages and corned beef), bread, margarine, coffee, sugar, and salt. They sometimes received canned vegetables, dried fruits, and cheese.

It's important to note that these rations were often monotonous and lacked variety. The quality and availability of rations also deteriorated as the war progressed and supply lines were strained. Soldiers often had to rely on these basic rations for sustenance, supplemented by occasional foraging or trading with locals.