Answer:
The Xenia code of conduct in Greek mythology deals with conduct, hospitality and generosity between host and guess.
The conflict in Sudan is mostly a resource conflict fueled by religious and ethnic differences. Before south Sudan seceded the resource conflict was influenced by religious differences between the two nations. however, after the christian south seceded, ethnic differences has fueled the oil conflict in the continent newest states.
It was one of the five pillars of Islam to travel to makka and do pilgrammige around the House of Allah ( God )