What was the purpose or popular sovereignty

This gave the people more of a say in their government. This made them able to have their ideas mean more and they then felt as if they had more control and power

Popular sovereignty is an important part of a nation state's government. Without it, the rights and liberties of its citizens are not fully protected by national or international standards. Also, the power and strength that the nation state holds is very important in the protection of the nation state.