Which of the Following Is a True Statement Regarding the Development

Which of the following is a true statement regarding the development of human civilization?

A) Until modern times, natural barriers and a lack of well-developed technology have prevented humans from communicating with one another across long distances.
B) There is not a time in human history when individuals and communities did not communicate with one another and migrate from region to region.
C) The diversity of human cultures is due to the fact that little to no communication took place between different civilizations and communities until relatively recently.
D) Humans have generally been resistant to migration, and as a result, ideas and goods were rarely exchanged between different human settlements until modern advances in technology.