Lots of civil wars and the invasions of barbarians like the huns and other tribes brought down the empire since the senator could not get along and refused to fix the problem.
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!
Read the bible , i am sure the answer your seeking is there
The answer is Leon Trotsky. He was born in Ukraine to rich Jewish farmers. On his last year in school, he was fascinated with Marxism and became a revolutionary. His power struggle against Joseph Stalin led to his banishment from the Soviet Union. He lived in Turkey, France, Norway and finally Mexico where he was assassinated by an agent of the Soviet Union's secret police.