In the Second Article we talked about what Jesus did to save us from our sins (redemption). In the Third Article we talked about how we receive faith and stay strong in our faith (sanctification). We've also talked about the Means of Grace, the gospel in word and sacrament and studied the two sacraments Baptism and Holy Communion.
Now we turn our attention to how we proclaim this message publicly to each other and to other people. This is what's known as the Ministry of the Keys. Take a look at the video below and then fill out the questions.