How Can US Successfully Fight Terrorism?

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ancestry – n. a person’s ancestors; the people who were in your family in past times

commit – v. to do (something that is illegal or harmful)

fulfill – v. to do what is required by (something, such as a promise or a contract)

obligation – n. something that you must do because of a law, rule, promise, etc.

hang around – phrasal verb, informal to be or stay in a place for a period of time without doing much

typical – adj. normal for a person, thing, or group; average or usual

sting operation – n. a complicated and clever plan that is meant to deceive someone especially in order to catch criminals

hotline – n. a telephone service for the public to use to get help -- sometimes, but not always, in emergencies

psychologist – n. a scientist who specializes in the study and treatment of the mind and behavior; a specialist in psychology

imam – n. a Muslim religious leader