B. secret languages used for communication.
C. secret plans for attacking the enemy.
D. strict rules about military strategy.
Answer;
B. secret languages used for communication.
Explanation;
-Military code is a system of conventional symbols for the covert transmission of secret military information through communications equipment.
-For example; A United States military occupation code, or a military occupational specialty code (MOS code), is a nine-character code used in the United States Army and United States Marines to identify a specific job.
Corruption and fraud can have devastating effects on a person and the institution that he or she is working for. When you combine these two elements a lot of people can get hurt financially and emotionally. It’s bad enough that you falsify certain documents for a transaction but it gets worse when you abuse your power by doing cruel and unjust things. If caught, a person could be convicted and sent to jail and the institution that he worked would be shut down leaving honest employees unemployed.
B. In both cases, Islam spread among societies that traded with one another. This contributed to Islam becoming the dominant religion in Africa and Asia.
C. In both cases, socieites were brough into contact through trade. The cultural exchanges that went along with that trade enriched those societies.
D. In both cases, interactions between societies led to conflict despite the success of trade contacts. These clashes left trading societies vulnerable.
B. is the same everywhere in the universe
C. depends on the amount of gravity
D. is different on different planets