Which of the following statements is true about geographic influences on the spread of Islam? It spread into East Asia facilitated by the strong Byzantine and Persian Empires,
It spread into Rome, and half of England, facilitated by weak Byzantine Empire and Germanic Tribes.
It spread into the Fertile Crescent, Iran, and Central Asia, facilitated by weak Byzantine and Persian empires.
It spread into Southeast Asia, South Africa and Northern Europe, facilitated by weak Russian Empires.