The Organization of Petroleum Exporting Countries unites countries extracting petroleum that are involved in the Middle East, since no western states are members.
Irish monasteries became famous for their learning and many students came to study in them from other parts of Europe. Irish monks also spread Christianity across Europe.
She should try to reduce her expenses as much as possible, prioritizing the things and services she needs and curtailing luxuries.
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.