It is used for transporting food i think and other things like oil for your hair and to brush your teeth and they use it in factories try one of them.
Sudan is often not included as a country of the Sub-Saharan Region because a portion of the Sahara Desert is within the country. Also in terms of demographics, history, and culture Sudan is usually considered part of North Africa and the broader "Arab World."
They lacked immunity to these diseases.
before the europeans, the american indians hadn’t come in contact with these diseases that were part of a different area of the world. as a result, many american indians died.