The correct answer is A) A clear set of beliefs for the new protestant church in Switzerland.
The Institutes of the Christian Religion was a clear set of beliefs for the new protestant church in Switzerland.
John Calvin wrote "The Institutes of the Christian Religion" in 1536. His purpose was to publicly explain the motives of the Church Reformation and became an important resource of Protestant Theology. It was also published in French. In 1535 he had to move to Switzerland for safety reasons and there he started to write this book.