How many people would be interested in what they are selling would be the most influential.
A) Egypt
They had very many domestic animals such as Camels. :)
Credibility of the source is checking the degree of authenticity of a source
(You want to know how reliable is this information?)
There are multiple factors that can help to check its credibility:
Is the author of the source trusted?
Is the background of the source safe?
Is it a primary or secondary source?
Have the source become unaccurate or
obsolete due to time?
Is there any motive or signs that the source is biased?
Give more info plz then i’ll be able to help. what’s the full question