Which of the Following Is a True Statement About the Rivers

Which of the following is a true statement about the rivers of Afroeurasia?

A) Rivers were largely unimportant to the development of early human civilizations, as early humans could not navigate them.
B) Rivers discouraged communication between early human populations.
C) Rivers encouraged the development of early human civilizations, but also periodically harmed or destroyed human settlements.
D) The ability of humans to manipulate rivers through technological innovation has only emerged in modern times.