"Art not thou our God, who didst drive out the inhabitants of this land before thy people Israel, and gavest it to the seed of Abraham Thy friend for ever?" 2 Chronicles 20:7

"But thou, Israel, art My servant, Jacob whom I have chosen, the seed of Abraham My friend." Isaiah 41:8

"And the scripture was fulfilled which saith, Abraham believed God, and it was imputed unto him for righteousness: and he was called the friend of God." James 2:23

2 Chronicles 20:7 - The region of Abraham's possession - his land
Isaiah 41:8 - The race of Abraham's posterity - his nation
James 2:23 - The righteousness of Abraham's position - his sacrifice