“Go therefore and make disciples of all nations, baptizing them in the name of the Father and of the Son and of the Holy Spirit, and teaching them to obey everything that I have commanded you. And remember, I am with you always, to the end of the age.” Matthew 28:19-20
It is the responsibility of all the faithful to spread the Good News of Jesus Christ, and to be well informed about the faith. Below are a number of useful links from around the Catholic world.
From the Vatican