| A | B | 
| language | NOUN - a system for spoken and written communication | 
| complicated | ADJ - not simple; difficult to understand and deal with | 
| develop | VERB - create something or build it into something better or more advanced | 
| military | NOUN/ADJ - a country's armed forces - navy, army, air force | 
| explain | VERB - make something clear in words; describe | 
| message | NOUN - a small amount of information that you pass to someone else | 
| agree (with) | VERB - have the same opinion as someone else | 
| recruit | VERB - find new people to work in a company, join a group, or do a job | 
| during | PREPOSITION - all through a time; at one point in time | 
| battle | NOUN/VERB - a fight between two armies | 
| several | more than a few, but not a lot | 
| dialect | a language that is spoken in one place differently than in other places | 
| serve in a war/in the military | to do a job, to work | 
| code | a system of signs or words to send secret messages | 
| break a code | solve it; figure it out; find the answer | 
| enemy | someone who hates you and wants to hurt you or stop you from being successful | 
| skillful | talented; good at doing something that you have learned and practiced | 
| Navajo | the name of a Native American tribe | 
| general | a military leader | 
| chief | a Native American leader | 
| error | mistake | 
| recognition | public thanks | 
| honor | respect |