On March 30, 2025, reports indicated Donald Trump threatened tariffs on Moscow's oil exports if Vladimir Putin doesn't agree to a truce in Ukraine within a month, suggesting tariffs of 25% or 50% on countries buying Russian oil. Finnish President Alexander Stubb, after playing golf with Donald Trump, proposed an April 20 deadline for Putin to agree to a full ceasefire in Ukraine and discussed potential US sanctions on Russia if the ceasefire is not met.

On March 30, 2025, it was reported that Finland indicated it may have had a role in Trump’s intervention regarding Ukraine. Alexander Stubb's message in conversations with Trump was the need for a ceasefire with a deadline, suggesting Easter, April 20, as the date.

On March 30, 2025, Donald Trump stated that if Iran doesn't make a deal to curb its nuclear weapons program, there will be bombing and mentioned the possibility of fresh economic sanctions, considering secondary tariffs on Iran until a deal is signed. Iranian President Masoud Pezeshkian rejected direct negotiations with the United States regarding its nuclear program, responding to a letter from President Trump, but indicated openness to indirect talks via Oman.

Reported on March 30, 2025, Iranian President Pezeshkian's decision to reject direct talks with the US reflects changes since his election six months prior, following a campaign focused on re-engagement with the West. Ayatollah Ali Khamenei criticized Trump's administration in February 2025, leading Pezeshkian to adopt a tougher stance.

On March 30, 2025, President Trump stated he was considering ways to serve a third term, despite the 22nd Amendment's prohibition, mentioning the possibility of Vice President JD Vance running for president and then passing the baton to him. The White House reiterated Mr. Trump’s focus on his current term, deeming the third term idea premature. Ms. Welker suggested VP Vance could win in 2028 and then pass the office to Mr. Trump, which Mr. Trump acknowledged as a possibility. Three days after Mr. Trump was sworn in for the second time, Representative Andy Ogles of Tennessee proposed an amendment to the Constitution that would make Mr. Trump eligible for a third term.

On March 30, 2025, Trump said, "We’ll get Greenland. Yeah, 100%" and argued that while there’s a “good possibility that we could do it without military force … I don’t take anything off the table.”

On March 29, 2025, following Vice President JD Vance's visit to Greenland and Trump's video supporting Greenland, Danish Foreign Minister Lars Løkke Rasmussen criticized the Trump administration's 'tone' regarding Denmark and Greenland. On March 29, 2025, the Danish Foreign Minister Lars Lokke Rasmussen criticized President Donald Trump's administration for its "tone" regarding Denmark and Greenland.

On March 28, 2025, legislators in Greenland formed a new government to resist proposals from Trump. Four of the five parties elected earlier in March formed a coalition with 23 of the 31 seats.

On March 29, 2025, hundreds of protesters demonstrated in front of the U.S. embassy in Copenhagen, Denmark, against U.S. policies, some holding signs saying 'retírate, Estados Unidos'.

Published on March 29, 2025, a Signal chat leak revealed that high-ranking officials in Washington were planning a bombing campaign in Yemen via Signal, sparking backlash over the administration’s handling of state secrets. Jeffrey Goldberg dismissed Mike Waltz's explanation for being included in a Trump administration Signal group chat about the bombing of Houthi rebels in Yemen, calling it implausible. Mike Waltz claimed he had never met or spoken to Jeffrey Goldberg, which Goldberg disputed. Democratic Senator Mark Warner stated that the White House officials involved in the Signal breach risked American lives. Congressman Mike Turner welcomed a review into "Signalgate", and Susan Rice described the Signal leak as "extraordinarily reckless".

On March 29, 2025, protests against Elon Musk and his "Department of Government Efficiency" (Doge) took place globally, with over 200 events. Musk is tasked with slashing federal budgets, including potential layoffs of tens of thousands of workers.

On March 29, 2025, Dr. Peter Marks, a senior health official at the US Food and Drug Administration (FDA), resigned, reportedly due to concerns over the health secretary, Robert F. Kennedy Jr.'s, "misinformation and lies" regarding vaccine safety. Trump’s health secretary, Robert F Kennedy Jr, has continued to lean into vaccine skepticism at the Department of Health and Human Services (HHS) and proposed a 10,000-person cut to the department’s staff.

On March 29, 2025, a federal prosecutor in Los Angeles, Adam Schleifer, was fired at the behest of the White House, after lawyers for Andrew Wiederhorn, a fast-food executive he was prosecuting, pushed officials in Washington to drop all charges against him.

On March 30, 2025, reports indicated that President Trump threatened to block funding for Smithsonian exhibitions that discuss racism and ordered the restoration of monuments taken down because of their celebration of racist figures. On March 30, 2025, President Trump issued an executive order targeting the Smithsonian Institution to eliminate what his administration considers "improper, divisive, or anti-American ideology."

On March 29, 2025, Representative Victoria Spartz faced angry crowds at town halls in Westfield, Ind., and Muncie, Ind., over the weekend. She defended Elon Musk’s DOGE cuts, the Signal scandal at the Defense Department, and the Homeland Security Department’s efforts to deport immigrants without due process.

On March 29, 2025, it was reported that The White House Correspondents' Association canceled comedian Amber Ruffin as the performer for their annual dinner.

On March 28, 2025, President Donald Trump signed an executive order to reform the US election system, requiring documentary proof of citizenship for voter registration in federal elections and mandating that all ballots be received by election day. The order threatens to withdraw federal funds from non-compliant states.

Published on March 30, 2025, reports indicate that Donald Trump is offering White Afrikaners refugee status.

On March 30, 2025, reports indicated that following President Trump's executive order, the Department of Homeland Security proposed collecting social media usernames from immigration benefit applicants, open for public comment until May 5th, expanding the practice to those already in the US seeking benefits.

Published on March 30, 2025, Trump's administration ended funding for counter-terrorism research projects, impacting agencies like the National Institute of Justice and the Department of Defense. This followed Trump's pardons for January 6 attackers and Kash Patel's appointment to lead the FBI. Experts warn these cuts will hinder efforts to combat far-right extremism.

On March 30, 2025, Donald Trump stated he doesn't care if tariffs on foreign-made cars increase prices, believing the tariffs will boost US-made car sales, as the White House prepares to impose new tariffs on consumer goods on April 2nd. On March 30, 2025, President Trump announced a 25 percent tariff on all cars and auto parts imported into the United States, intending to benefit the domestic auto industry, which is predicted to cause turmoil and comes amid a brewing trade war with Canada.

On March 30, 2025, the Trump administration directed ICE to track down students who may have shown sympathy for the Palestinian cause in social media posts and has deployed a statute to detain PhD candidates and researchers. Immigration agents arrested Mahmoud Khalil, a former Columbia student, for leading pro-Palestinian protests, and Yunseo Chung, a Columbia student, was pursued after attending a sit-in. Rumeysa Ozturk, a doctoral student at Tufts, was accused of supporting Hamas and put in a detention center. Columbia University agreed to adopt a formal definition of antisemitism that academics say could be weaponised to harass critics of Israel.

On March 30, 2025, it was reported that a CNN poll revealed only 29% of respondents viewed the Democratic party favorably. Meanwhile, 57% said they wanted Democrats to oppose the Republican agenda rather than working with the majority. The poll was taken before 10 Democratic senators joined Republicans to pass a spending bill this month.

On March 30, 2025, it was reported that special elections in Florida could offer hope to Democrats. Josh Weil, a Democrat, is running for the House seat vacated by Trump’s national security adviser Mike Waltz and is ahead of State senator Randy Fine in fundraising. Florida’s chief financial officer Jimmy Patronis is bidding to take over Gaetz’s seat, with Trump holding a rally for the Republican candidate against Gay Valimont.

Published on March 30, 2025, a West Virginia law, signed this week, bans synthetic dyes and preservatives in food, marking a first-in-the-nation consumer protection effort led by Republicans, despite industry opposition. Patrick Morrisey thanked Trump and Kennedy when signing the bill on Monday.