God's promise to Abraham and his descendants that they will inherit the world became a reality through
Answer Details
The promise to Abraham and his descendants that they will inherit the world was fulfilled through the righteousness of faith. This means that it was not based on their strict observance of the law or good works, but rather on their belief and trust in God's promise. This was exemplified in Abraham's willingness to offer his son Isaac as a sacrifice, demonstrating his faith in God. It was ultimately fulfilled through the crucifixion of Jesus, who was a descendant of Abraham and through whom all believers are made heirs to the promise.