The 345th Congress of the United States refers to the legislative body that convened from January 3, 2017, to January 3, 2019. It consisted of the Senate and the House of Representatives, with a total of 535 members. During this period, the Republican Party held a majority in both chambers, influencing the legislative agenda and priorities. Key issues addressed during the 345th Congress included healthcare reform, tax reform, and immigration policy. Notably, the Congress passed the Tax Cuts and Jobs Act in December 2017, which aimed to reduce taxes for individuals and businesses. The 345th Congress also faced challenges such as government shutdowns and debates over funding.