Unconditional Election

If God chose a people unto Himself in the Old Testament, why is it not reasonable that He Himself again chooses a people unto Himself after the rejection of Jesus by His Old Covenant people?
"Even tomorrow the LORD will show who are His, and who is holy; and will cause him to come near unto Him: even him whom He hath chosen will He cause to come near unto Him." – Numbers 16:5
"For thou art a holy people unto the LORD thy God: the LORD thy God hath chosen thee to be a special people unto Himself above all people that are upon the face of the earth." - Deuteronomy 7:6 (and 14:2)
"I have made a covenant with my chosen," - Psalm 89:3
"So the last shall be first, and the first last: for many be called, but few chosen." – Matthew 20:16
"Therefore I tell you, the kingdom of God will be taken away from you and given to a people producing its fruits." – Matthew 21:43
"And except that the Lord had shortened those days, no flesh should be saved: but for the elect's sake, whom He hath chosen, He hath shortened the days." – Mark 13:20
"For the children being not yet born, neither having done any good or evil, that the purpose of God according to election might stand, not of works, but of Him that calleth." - Romans 9:11
"Even so then at this present time also there is a remnant according to the election of grace." – Romans 11:5
"What then? Israel failed to obtain what it was seeking. The elect obtained it, but the rest were hardened." – Romans 11:7
Labels: unconditional election