试题题干
The Constitution of the United States of America, enacted in ( ), changed the state structure to a federal system.
参考答案
正确答案:
试题解析
1787年颁布的《美利坚合众国宪法》将国家结构改为联邦制。
The Constitution of the United States of America, enacted in ( ), changed the state structure to a federal system.
1787年颁布的《美利坚合众国宪法》将国家结构改为联邦制。