The stories of Esau, Jacob, Moses, and Pharaoh that Paul recounts in Romans 9 are used to build the point he began in the chapter with Isaac and Ishmael. Paul uses a key phrase “the purpose of election” this is critical to understanding his entire flow of thought in this passage. We have to understand that phrase.
One of the most prominent trends at the end of the age is a global movement of worship and intercession. God has designed that the age will end in an extravagant demonstration of worship and prayer as a gift of love to Jesus accompanied by unequalled intercession. This intercession will be one of the primary means by which the church cooperates with God in His plan to end the age.