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tanker – n. a ship used to carry large amounts of liquid or gas
sanction – n. restrictions, usually limiting trade, that are meant to cause a country to obey international law
allegation – n. a statement saying someone has done something wrong or illegal
leverage – n. influence or power to reach a desired goal
access – n. the ability to use or take part in something
enrich – v. to improve the quality or purity of something such as a substance
