Answer:
(1) Mecca to Constantinople is one such route in spread of Islam.
(2) Mecca to India is second trade route .
(3) Mecca to Alexandria is the third trade route
(4) Mecca to Aden is the fourth trade route.
These 4 trade routes came very handy in spread of Islam.
I think this what what you where looking for... Hope it helps!
Answer: I only know that "A key need was land near rivers with soil." is one of the answers. Sorry...
Explanation:
B. i think... yea it should be.
Freedom of speech :) (and religion and press) i needed more letters lol