试题题干
Under the Constitution, （） is the federal official primarily responsible for the relations with foreign nations.
参考答案
正确答案：
试题解析
根据宪法，总统是主要负责与外国关系的联邦官员。
Under the Constitution, （） is the federal official primarily responsible for the relations with foreign nations.
根据宪法，总统是主要负责与外国关系的联邦官员。