ISB ~ Acts 1 v6

restore the kingdom:Judaism hoped for a militant Messiah who would redeem Israel from the yoke of Roman oppression (Lk 24:21) and rebuild the kingdom of David that had lain in ruins since the sixth century B.C. (Mk 11:10). These political aspirations are given a spiritual fulfillment in Acts with the enthronement of Christ in heaven (2:32-36; Lk 1:32-33) and the redemption of Israel and the Gentiles in the Church (5:31; 15:16-18; CCC 439, 672).

See essay:Kingdom Restoration at Acts 15.

• Two interrelated traditions echo in the question of the disciples. (1) The time of restoration evokes Yahweh’s promise to reunite the tribal family of Israel in the messianic age (Sir 48:10; Jer 50:19-20; Hos 11:11). This hope is confirmed in Luke (Lk 22:30) and kept alive throughout Acts (26:6-7). (2) Giving the kingdom to Israel recalls Daniel’s vision of the Son of man (Messiah) giving an everlasting kingdom to the saints (Dan 7:18, 22, 27). This hope is likewise confirmed in Luke (Lk 12:32; 22:29).