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absurd – adj. unreasonable; completely foolish
tariff - n. a tax on goods coming into or leaving a country
summit - n. a meeting or series of meetings between the leaders of two or more governments
reciprocal – adj. involving or related to both sides
relevant – adj. relating to a subject
greenhouse gases - n. gases that contribute to the warming of the Earth's atmosphere
fossil fuel - n. a fuel (such as coal, oil, or natural gas) that is formed in the earth from dead plants or animals
management - n. the act or process of controlling and dealing with something
evolve - v. to change or develop slowly often into a better, more complex, or more advanced state
rupture - n. a break in good relations between people or countries
stakes - n. something (such as money) that you could win or lose in a game, contest, etc.
family quarrel – n. a disagreement between people who are often on good terms
