Gawain sa Pagkatuto Bilang 1: Hanapin ang mga salitang may kaugnayan sa aralin. Ito ay maaaring pahalang, pahilis, patayo o
pabaligtad. Pagkatapos makita ang mga salita ay sagutin ang mga
sumusunod na tanong.​

pito po ang keylangan

During the crisis, the United States raised its nuclear war footing to the highest level it has ever been (DEFCON 2), one step below “nuclear war is imminent.” U.S. nuclear-armed bombers were placed on airborne alert, and some of the Soviet missiles and bombers in Cuba were not under the direct control of senior.