Answer:
Glorify God and enjoy Him forever.
Explanation:
The Westminster Shorter Catechism is a a form of test or questioning which was originally prepared by the Westminster Assembly in 1646 and 1647, which is a committee of English and Scottish theologians and laymen.
The purpose is to achieve a compliance between the Church of England and the Church of Scotland.
In the book, is the Westminster Assembly's conclusion that humanity's primary purpose is to:Glorify God and enjoy Him forever.