True!
hope this helps!
remember to double check answers!
:) - Wolfybri
With the development of Islam, Arabian people found a common cause and a common belief that that they shared and that put their differences aside. Of course, they were split following the death of Muhammad, but that is a different story.
Answer:
it was useful because this could have helped with navigation purposes, for example, traveling from country to country by sea
An islamic ruler established repressive rule and denounced western values
I think the answer is A or b