It was a safety net against poverty for people over the age of 65, as well as being a welfare system for disabled people.
The correct answer for the question that is being presented above is this one: "Thomas Edison." Thomas Edison improved the incandescent light bulb and he made it possible to quit using oil lamps as a source of light, which sometimes unsafe.
<span>Historians would probably credit SCRIBES AND PRIESTS. The reason why is that scribes manually wrote every single book there was - they had to rewrite thousands of pages from manuscripts, and they were the original 'printing machines.' On the other hand, priests saved all those books in churches and libraries, which is why we still have records of ancient times.</span>
