1) Abandon a detente 2) Abandon détente 3) Acquire new weapons 4) Again take up weapons 5) Arm again 6) Arm anew 7) Become strong again 8) Break a peace treaty 9) Break a treaty 10) Buy new guns 11) Buy new weapons 12) Equip with better weapons 13) Equip with more weapons 14) Equip with new weapons Found on https://www.crosswordclues.com/clue/rearm