Blessing the Nations

Genesis 12:2-3  And I will make you a great nation, And I will bless you, And make your name great; And so you shall be a blessing;  3 And I will bless those who bless you, And the one who curses you I will curse. And in you all the families of the earth will be blessed."

Genesis 18:18  since Abraham will surely become a great and mighty nation, and in him all the nations of the earth will be blessed?

Genesis 22:18  "In your seed all the nations of the earth shall be blessed, because you have obeyed My voice."

Genesis 26:4  "I will multiply your descendants as the stars of heaven, and will give your descendants all these lands; and by your descendants all the nations of the earth shall be blessed;