Because Austria's army in 1788 was not one single and unified fighting force. Rather, Austria's army (Which at the time was not called Austria but the Habsburg Empire) was composed of squads from many smaller nations that were found in the Habsburg Empire. Because there were strong nationalist tendencies among these, they spoke differently and this eventually lead to big differences among different groups and attacks between each other.
The development of writing allowed the memorization of laws, business transactions, records of account, including taxes, etc. It demonstrated the superiority of the written word over oral memory which can be faulty, or perhaps deliberately misstated. It was not by coincidence that the first writing was done on clay tablets which hardened, and it was thereby "written in stone," and could not be changed. It was there for all to see.
The correct answer is B - the royal court at Versailles was NOT used as the first university.
It was, however, used as his personal household at times, as a center for statet offices, as well as a place where powerful subjects would visit him to seek favors, with his royal court he could show them the splendor and greatnes of France at the time.
