<span>The major accomplishments of Charlemagne include developing the rules of the feudal system, encouraging reading and writing throughout his empire, developing commerce with a unified monetary system, and the unification of all Germanic peoples into a single kingdom through his crusades, which sought to convert all subjects to Christianity.</span>
The answer is d. I hope that this was helpful
Peopleware refers to the human role in an IT system. In many cases peopleware forms a kind of conceptual triangle with hardware and software. It refers to human talent as a kind of commodified piece of an IT process and a key part of providing various technical business models and other planning resources