II. The Stages of Revelation

From The Catechism of the Catholic Church

56
After the unity of the human race was shattered by sin God at once sought to
save humanity part by part. the covenant with Noah after the flood gives
expression to the principle of the divine economy toward the
“nations”, in other words, towards men grouped “in their lands,
each with (its) own language, by their families, in their
nations”.⁹

PART ONE: THE PROFESSION OF FAITH