tariff – n. a tax on goods coming of leaving a country

retaliate – v. to take negative action in response to negative action

intellectual property – n. work or invention that is the result of creativity such as a design, a manuscript, software, etc. that one has copyright or trademark

surplus – n. a situation in which a country sells more to other countries than it buys from other countries

deficit – n. situation in which a country buys more from other countries than it sells to other countries

alienate – v. to cause to become isolated or apart from the group

confront – v. to oppose or challenge, often in a direct and forceful way

unilateral – adj. involving only one group or country

benefit – n. something that helps or provides an advantage