Which Bothnian military event indicates the initiation of a crisis? a. Offensive cyber-attacks against government and military C₂. b. OSC-W (II Corps) conducts an initial attack to seize Riga (main effort) and bridgeheads along the Daugava River. c. OSC-S (VI Corps) continues training/mobilization & deployment into EST. d. Continued disruption of banking systems and provision of financial support to ethnic organizations.