None. Caravans are used in the Sahara Desert with camels.
For protection from bandits.
Camels
for safty
Yes they travel all over the world including the U.S.A.
Caravans are groups of manned camels with goods that travel in unison. They have no special meaning within Islam, but as Islam came out of Arabia, where there are numerous caravans, they play an important part of Islamic History.
Traditionally, gypsies travelled by horse and cart- in traditional gypsy caravans or wagons. now they can travel in modern day caravans or even by more sophisticated means of transport such as trains or boats.
The Mormon Trail.
Mormon Trail to Utah
To transport things that are quite heavy especially in a long travel.
People would often travel to Mexico in caravans. Caravans are groups of people going to a place in a group. They did this so that bandits or robbers would most likely notice the large group and not bother them.
You would travel by camels in large caravans (groups of camels). Great caravans were as big as 5,00 thousand camels going all together. The distance people could travel by camel in one hour was called a schoeni.
so they dont get attacked by theives