yes fatima is right

although a major war is mentioned wen the christian, jewish , muslim civilizations will clash
but whether we can call it world war is hard to imagine

however , these end times are marred with indiscriminate wars and killings
•Mass deaths amongst people, just as when sheep die in large numbers during an epidemic
General anarchy and bloodshed, that no Arab household will be spared from it
•Then a life of peace as a result of a peace agreement between you and the Banil Asfaar
•(Romans (Christians)) which they will break and attack you with a force consisting of eighty flags and under each flag will be an army of twelve thousand men."

Abu Nadhrah says: "We were sitting in the company of Jabir bin Abdullah when he said: 'Soon the people of Iraq will neither receive any food (grain) nor any money.'" We asked, "Why would such a thing happen?" He replied, "Because of the non-Arabs." (i.e they will prevent food from going into Iraq, in the form of "sanctions" to this day.) He then said: "Soon the people of Shaam (Syria) will neither receive any money nor grain." We asked as to why this would happen. He replied: "Because of the Romans (christians)."