Why did God make His promise to the seed of Abraham?

Answer

"Because that Abraham obeyed My voice, and kept My charge, My commandments, My statutes, and My
laws." Gen. 26: 5.
NOTE - Then God's commandments and laws existed in the time of Abraham.

And what besides a mere belief in the truth is necessary?
Wherein does the new covenant differ from and excel the old?
Does the New Testament teach the same duty?
Did Christ's followers keep the Sabbath after His death?
When were the sun and moon darkened?
What striking figure is used to describe the destruction wrought under the second trumpet?
To what Old Testament promise did Peter evidently refer?

Questions & Answers are from the book Bible Readings for the Home Circle