What is the main idea behind self-determination

People who share national identity, should have their own country and government.

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What is the main idea behind self-determination?

According to the Unrepresented Nation & People Organization the main idea of Self-Determination is

"Essentially, self-determination is the right of a people to determine its own destiny. In particular allows people to choose its own political status and to determine its own form of economic, cultural and social development"

In other words self-determination is way that a human been have to do and become in whatever him or her want to be.