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Preemptive –adj. done to prevent an unwanted act by another group, country, or force
Drill –n. an exercise done to practice military skills or activities
Vessel –n. a ship or large boat
Sovereignty –n. a country’s independent authority and the right to govern itself
Potential –n. capable of becoming real
Retaliation –n. to take action against someone, group or country to answer to some kind of attack
