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.
I am pretty certain it is d
Anabaptists do not believe in infant baptisms, rather they believed that only an adult could publicly profess their sins and then be baptized. They do believe in the separation of Church and State. And although they do believe in heaven and hell, a difference from some other groups is that good works are necessary throughout one's life in order to get into heaven.
C. United Nations. At the end of WW2, The US thought about world peace. So did other nations. So United Nations was formed. The headquaters is in New York.