As a rule, the people of sub-saharan africa are very nationalistic.
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This statement is true. As a rule, the people of Sub-Sahara Africa are very nationalistic. These people live in the Eastern part of the Sahara Desert. Sub-Saharan people tend to  have the most linguistic diversity in the whole world. They use way lot more languages than any other countries.

Explosive eruptions are the most hazardous, involving large volumes of tephra and gases emitted from the volcano. lahars, pyroclastic flows, ashfall, and many other volcanic hazards are commonly associated with explosive eruptions. explosive eruptions are very dangerous. basically, any form of hazard can occur.