The bill of rights came from the English Bill of rights when America was still under Britain's control. When we left Britain's control, we needed a foundation for our government to run off of. So, the founders went to work writing the Constitution. Federalists argued that the Constitution did not need a BoR. Anti-federalists refused to sign the const. without a BoR. The Bill of Rights was added and the Constitution was ratified.
<span>This meant a great deal to people whose hopes were on change and good governance as they saw this as a way forwards towards making the country a better one through right governance and policy making in America most especially this was seen as a unifying force that place the love for the country utmost . In some parts of the world such as Europe this was seen as an end to imperial rulership</span>
I think that freedom of speech is considered natural rights