challenge – n. a difficult task or problem; something that is hard to do

deadline – n. a date or time when something must be finished; the last day, hour, or minute that something will be accepted

tough – adj. very difficult to do or deal with

sanctions – n. an action that is taken or an order that is given to force a country to obey international laws by limiting or stopping trade with that country, by not allowing economic aid for that country. Usually plural

separatists – n. a member of a group of people who want to form a new country or religion that is separate from the one they are in now

conditions – n. something you must do or accept in order for something to happen

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