Problems caused when new countries were formed?

The formation of new countries often leads to various challenges, including territorial disputes, ethnic tensions, and economic instability. Borders drawn without regard for historical, cultural, or ethnic contexts can create conflicts and disenfranchise certain groups. Additionally, newly formed nations may struggle with governance, infrastructure development, and international recognition, potentially leading to political instability and social unrest. These issues can hinder the growth and development of the new state and impact regional stability.