Why was the Bill of Rights added to the U. S. constitution

To ensure ratification of the document, the Federalists offered concessions, and the First Congress proposed a Bill of Rights as protection for those fearful of a strong national government. The Bill of Rights came into effect in December 1791, after ratification by three-fourths of the state legislatures.

Explanation:

The Bill of Rights was added to the United States Constitution to guarantee the protection of the people from a strong central government. It served as a compromise between the Federalists and Anti-Federalists to achieve the ratification of the Constitution.

the two things that develop a strong social foundation are: a. separation of church and states e. education received attention separation of church and states separate the illogical  argument that came from religious beliefs to a fact based belief. while education will make us remember the past to avoid the repeat of our mistakes.