Answer:
Post-transition
Step-by-step explanation:
During the early stage of demographic transitory, there will be a high chance for conflicts to occurs since there are more people who become restless because of the existence of other people demographic. Infrastructure such as hospitals or school also hasn't really been well established
After post-transition, most people already made an effort to live and socialize with other people from different backgrounds and the expenses created from the modern economy will make people think twice before having a child. This create low death rates and low birth rates in return.