Mongol Empire is summoned

The Mongol's tske down Japan with them losing ships to tusnami but not enough to cancel the invasion and instead of expanding into Eroupe they decide to not only reform but moved towards taking all of Asia instead which caused them to grow strong. They Empire reforms with them turning Japan into their vassal with them also beginning expansion into Africa after they met Eroupe and knew fighting them would be easy but would cause more than enough stability issues so they decide to go after the easy to influence Africa after they defeating the Ottomans which gained them Egypt. So with their calvary they quickly colonized all of Africa. This helped the Mongolians take over all of Africa. When they were done they decided to focus on their economy and military strength by using research. They also decided to do do reforms in their country to help stabilize them by freeing all countries in Africa as their vassals. (Modern day borders)