独立宣言是一份改变国家进程的历史性文件。

The ___declaration of independence was a historic document that changed the course of the nation.

该国议会批准了向侵略者正式宣战。

The country's parliament approved a formal ___declaration of war against the aggressor.

所有乘客从国外抵达时都必须填写海关申报单。

All passengers must fill out a customs ___declaration upon arriving from abroad.