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abandon –v. to leave and never return to someone who needs protection or help
continent –n.one of the great divisions of land, such as North America, South America, Europe, Asia, Africa, Australia, or Antarctica, of the Earth
drone –n. a type of small aircraft that flies without a pilot
global –adj. involving the entire world
mercenaries –n. soldiers who will fight for any group or country that hires them
cooperation – n. a situation in which people work together to do something
surge –n. a sudden, large increase
