[217][218] He continued to profit from his businesses[219] and to know how his administration's policies affected his businesses.[218] Though Trump said he would eschew "new foreign deals", the Trump Organization pursued expansions of its operations in Dubai, Scotland, and the Dominican Republic.[219]
Trump was sued for violating the Domestic and Foreign Emoluments Clauses of the U.S. Constitution, marking the first time that the clauses had been substantively litigated.[220][221] The plaintiffs said that Trump's business interests could allow foreign governments to influence him.[221][219][222][220] After Trump's term had ended, the U.S. Supreme Court dismissed the cases as moot.[223]

Domestic policy
Economy
Main article: Economic policy of Donald Trump
Trump speaks to automobile workers in Michigan, March 2017.
Trump took office at the height of the longest economic expansion in American history,[224] which began in June 2009 and continued until February 2020, when the COVID-19 recession began.[225]
In December 2017, Trump signed the Tax Cuts and Jobs Act of 2017. The bill had been passed by both Republican-controlled chambers of Congress without any Democratic votes. 