Donald J. Trump

CBP reported construction of more than 200 miles of new border wall system by mid-2020.

The administration and congressional Republicans pursued repeal/replace in 2017, but the Senate failed to pass the effort, and the ACA remained in place through the end of Trump's term.

Trump signed the Tax Cuts and Jobs Act into law in December 2017, delivering a major tax overhaul with reduced corporate taxes and changes to individual tax rates.

Trump announced U.S. withdrawal from the Paris Agreement in 2017; the withdrawal took effect in November 2020.

The U.S. negotiated USMCA, Congress approved implementing legislation in 2020, and the agreement entered into force on July 1, 2020.

Trump recognized Jerusalem as Israel's capital in December 2017 and the U.S. Embassy in Jerusalem opened in May 2018.

Trump announced the U.S. would withdraw from the JCPOA in May 2018 and the U.S. re-imposed nuclear-related sanctions later that year.

Trump directed DoD to create a Space Force in 2018; Congress authorized it and it was established when he signed the FY2020 NDAA in December 2019.

Trump withdrew the U.S. from the Trans-Pacific Partnership by presidential memorandum in January 2017, and the USTR publicly confirmed the action.

Trump promised to have the Russia–Ukraine war “done” in 24 hours, but reporting well into 2025 described the war as still ongoing, meaning it was not ended within the claimed 24-hour timeframe.