In his first 100 days as President of the United States, Donald Trump focused on fulfilling campaign promises: tightening immigration, deregulating business, and attempting to repeal Obamacare. He used Twitter as a key communication tool, often sparking controversy. In foreign policy, he showed determination, including ordering a strike on Syria. Despite ambitious plans, many efforts faced legal and political obstacles. Trump's period marked a bold and controversial beginning to an unconventional presidency.