Answer:
This is a primary source, namely a written one, because it derives directly from the past and its content hasn't been alternated.
Explanation:
Historians are dividing sources into primary and secondary. Primary sources are derived directly from the past, meaning that they are created at the time when some event happened. This is an example of primary source, as it is an original letter that one ruler sent to another one.
The following of world war 2
Although the term "bureaucracy" was not coined until the mid 18th century, organized and consistent administrative systems are much older. The development of writing<span> (ca. 3500 BC) and the use of documents was critical to the administration of this system, and the first definitive emergence of bureaucracy is in ancient </span>Sumer<span>, where an emergent class of </span>scribes<span> used </span>clay tablets<span> to administer the harvest and allocate its spoils.</span> Ancient Egypt<span> also had a hereditary class of scribes that administered the </span>civil service<span> bureaucracy.</span>
