Some societies, like Canada and the United States, have changed rapidly while other places, like some African nations, have seen far less change. Why are these African nations MOST likely slower to change?
ОА
African nations are generally very reluctant to adopt new policies,
ОВ.
African nations often do not have access to the resources of industrial nations.
OC. Western nations tend to keep innovations to themselves and not spread culture.
OD. Most African nations do not have the natural resources they need to industrialize.