With reference to the Constitution and its framework, consider the following statements:
1. A written, or unwritten constitution needs to exist for a country to be called a nation.
2. A constitution specifies who has the power to make decisions in a society.
3. A constitution provides a set of basic rules that allow for minimal coordination amongst members of a society.
4. A constitution provides an identity to its citizens.
How many of the above given statements are correct?