The Tuareg culture exhibits a combination of Islamic and pre-Islamic traditions. So in regards to the question given, the correct option is option "c". The Tuareg are actually nomadic people that follow a pastoralist lifestyle. These people are normally found in the interior of Saharan desert of North Africa. As they are nomadic people, they are constsntly on the move from place to place in search of food and shelter. Niger, Algeria and Mali are the places where these people are found in abundance. These people often get engaged in fight for control of land and fertile places for their animals to feed.
Neither, in all honesty the amount of nuclear explosives both countries have they would completely destroy each other. There would be no winner
Hoover believed the Great Depression would just end in time, and that US citizens just needed to wait it out, while Roosevelt took action to try to stop the GD.
The modern development of today's world would have first made the routes safer. Today we have the safety of common things such as police officers, hospitals, e.t.c. Transportation of goods would have been easier, and it would have been easier to carry larger amounts of goods at one time.
hope this helps :)