Read the passage. The issue had become too complicated to handle internally. No one on staff understood the disagreement between the disputing parties. As a solution, the committee called in an attaché to help with peace negotiations.

An attaché is a diplomatic official who is assigned to an embassy or other diplomatic mission, often to provide specialized expertise. Since the committee needs help with peace negotiations, an expert in diplomatic relationships best fits the passage. An attaché is not simply an assistant to a country’s leader.

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