The document summarizes information about the evolution of US Army combat rations over time in 4 paragraphs and includes tasks for labeling pictures, determining if sentences are true or false, finding similar meanings, studying grammar examples, and completing a text with more or less. It discusses how:
1) Military rations originated in 1795 when Napoleon wanted better food for his army and a French chef invented a way to preserve food in jars.
2) In 1938, the US Army introduced C rations in cans, but they were heavy and soldiers didn't like the taste;
3) In the 1980s, the army introduced lighter, tastier MRE pouches which were more popular than C rations but