1. Short title This Act may be cited as the Prevention of Unconstitutional War with Iran Act of 2018 . 2. Findings Congress makes the following findings: (1) Article I, Section 8, of the Constitution of the United States grants Congress the sole power to declare war. (2) President George Washington, in a letter to William Moultrie dated August 28, 1793, wrote that [t]he constitution vests the power of declaring war in Congress; therefore no offensive expedition of importance can be undertaken until after they shall have deliberated upon the subject and authorized such a measure . (3) Alexander Hamilton wrote in Examination Number 1 of the Hamilton Papers, dated December 17, 1801, that [t]he Congress shall have the power to declare war