What opportunity did many colonial countries have after world war ii?

In short is to decide their own government.

More Explanation

After World War II, many colonial countries had the opportunity to decide their own government and became independent nations because they were able to gain independence and nothing was settled and the land needed builders, farmers, and many other workers.

`stare decisis is a legal doctrine that obligates courts to follow historical cases when making a ruling on a similar current or future case. stare decisis ensures that cases with identical facts be approached in the same way, unless overruled by the same court or a higher court such as the us supreme court. simply put, it binds courts to follow legal precedents set by previous decisions.

stare decisis is a latin term meaning "to stand by that which is decided".