I guess you could say that in those days people threw parties all of the time. (We still do.) It was something to do. You did not need a reason. If you were the head of your family and important to the village, you were expected to throw parties.
Cherokee, Cheyenne, Choctaw, Comanche, Iroquois, and Muscogee are the Native American tribes that assimilated the most.
The first I don’t know I apologize but the second is they promised safe working conditions
After the Han Chinese conquered what is now Vietnam, the Vietnamese people adopted Buddhism, Confucianism, and Taoism.
In the Philippines, a sultanate controlled the area which led to the spread of Islam in the area.