According to the traditional Islamic view, the Qur'an (Koran) began with revelations to Muhammad by the angel Gabriel in 610. The history of the Qur'an began when its verses were revealed to the Muhammad. The rise of Islam began around the time Muslims took flight in the Hijra, moving to Medina.
Caravans were used for a. building the pyramids. c. invading other countries. b. overland trade. d. worshipping the sun. Caravans were used for overland trade.
Written By: Caravansary, also spelled caravanserai, in the Middle East and parts of North Africa and Central Asia, a public building used for sheltering caravans and other travelers. The caravansary is usually constructed outside the walls of a town or village. The structure is quadrangular in form and is enclosed by a massive wall that has small windows near the top and only a few narrow air holes near the bottom.