The answer is: The Law of Land Warfare, Uniform Code of Military Justice, and Code of Conduct.
The answer may vary from country to country but on an international level the United Nations Charter also provides code of conducts on how modern armies should function in times of war.
These are important in order to provide a moral structure to an Army which can become, as evidenced in history, quite ruthless.
it was the only thing keeping the sixth army in tact
That whenever any form of government becomes destructive of these ends, it is the Right of the People to alter or to abolish it.
Answer:
c.
Explanation:
in Mexico and across the border
US Army troops
It would be A, in my mind that is
