Complex sentence: In 1922, the ration was reorganized to consist of one pound of meat (usually beef jerky), three ounces of canned corned beef or chocolate, 14 ounces of hard bread or hardtack biscuits, coffee and sugar.
Split into simpler sentences: In 1922, the "Meat Ration" was revised, consisting of one pound of meat (usually beef jerky) and three ounces of canned corned beef. This was supplemented by hard chocolate, 14 ounces of hard bread or hardtack biscuits, coffee, and sugar.