1. History of Copyright
Patents and copyrights have some early history in 15th century Venice.
The copyright developed in the USA. They did not in 1886 sign the Berne convention only since 1989. However, since then the USA has turned the tables nad introduced much more exstensive protection for created work.
Software programs are literally works, by created the vast proprietary software industry where it extracts huge profits year after year.
Copyright for sheet music,
Long history of
In copyright law it has worked over and over again
Eventually, people thought well give it a 100 years why not haha