The measure helped worsen the Great Depression, experts said.

ABC News Selina Wang reports the latest on President-elect Donald Trump’s transition updates.

President-elect Donald Trump reacted to President Biden pardoning his son, Hunter Biden, in a post on Truth Social on Sunday.

President-elect Donald Trump has selected Kash Patel, who has vowed in the past to shut down the FBI headquarters, to lead the agency.

President-elect Donald Trump announced he will nominate controversial loyalist Kash Patel as the next director of the FBI, with plans to fire current FBI Director Christopher Wray.

"This Week" co-anchor Jonathan Karl joins ABC News Live to discuss President-elect Donald Trump’s transition updates.

ABC News’ Jonathan Karl interviews Sen. Mike Rounds, R-S.D., on “This Week.”

The Powerhouse Roundtable breaks down the latest news on “This Week.”

President-elect Donald Trump’s pick, longtime ally Kash Patel, must be approved by the Senate.

President-elect Donald Trump announced Saturday that he plans on firing FBI director Christopher Wray and replacing him with longtime ally Kash Patel.

Trump announces he's adding another family member to his administration, choosing daughter Tiffany Trump's father-in-law as senior Middle East adviser.

Republicans will control the White House and both houses of Congress come January

Recipients of the Obama-era Deferred Action for Childhood Arrivals program are bracing for potential challenges to their status in the country during President-elect Donald Trump's second term in the White House

Columbia Business School economics professor Brett House joins ABC News to discuss the potential impacts of the president-elect's proposed tariffs on consumers and industries reliant on global trade.

The meeting comes after Trump threatened sweeping 25% tariffs on goods from Mexico and Canada.

President-elect Donald Trump is threatening 100% tariffs against a bloc of nine nations if they act to undermine the U.S. dollar

Republicans swept to power on Election Day and now control the House, the Senate and the White House, with plans for an ambitious 100-day agenda come January

The surprise meeting took place amid reports that Canada may be considering retaliatory tariffs against the United States.

A look at how Trump can upend the federal government, including "deleting" agencies and ousting workers he sees as unloyal.

President Joe Biden is calling on President-elect Donald Trump to “rethink” his proposed tariffs on Mexico and Canada, saying “the last thing we need to do is screw up those relationships.”

The president-elect was also joined at Mar-a-Lago with family members on Thanksgiving following a week in which Trump claimed Mexico would stop border crossings, "effective immediately."

ABC News’ Jay O’Brien reports on President Joe Biden’s comments on his successor’s plan to impose 25% tariffs on Mexico and Canada, saying he hopes he “rethinks” it and that it’s “counterproductive.”

There have been at least seven security threats, ranging from pipe bombs to swatting incidents, targeting the homes of several of President-elect Trump’s Cabinet and administration picks.

President-elect Donald Trump spoke with Mexico's President Claudia Sheinbaum by phone on Wednesday. But it's unclear if they share the same vision on migration.

President-elect Donald Trump spoke with Mexico's President Claudia Sheinbaum by phone on Wednesday. But it's unclear if they share the same vision on migration.

Donald Trump dined on Wednesday with Meta CEO Mark Zuckerberg at the president-elect’s Mar-a-Lago club in Florida

The FBI is investigating bomb threats and swatting incidents targeting several Trump nominees, including the president-elect's picks for defense secretary, CIA director and U.N. ambassador.

Plus, details on the Israel-Hezbollah ceasefire deal.

President-elect Donald Trump nominated Dr. Jay Bhattacharya to serve as the head of the NIH and Keith Kellogg, a retired three-star general, to serve as his special envoy for Ukraine and Russia.

The dismissal of special counsel Jack Smith's federal election subversion case against Donald Trump leaves key questions about the extent of executive power unanswered.

Several of Trump’s Cabinet picks and administration appointees have been targets of "violent" threats, according to a Trump spokesperson.

Donald Trump is set to take office in January with a razor-thin majority in the House of Representatives that offers Republicans barely any margin of error.

Trump appointed Elon Musk as co-head of the Department of Government Efficiency.

President-elect Donald Trump’s advisors are discussing how to strip federal resources from Democratic-run cities if they refuse to work with the administration on deportations, according to reports.

While President-elect Donald Trump is promising sweeping conservative policies, experts say the powers that states hold could make it harder for him to implement them.

Expert discusses the potential economic impact of President-elect Donald Trump’s proposed tariffs on Mexico and Canada.

Mexico’s new president is warning that her country could retaliate against the US with tariffs of its own and several major companies have said consumers would pay much of the costs for any tariffs.

Federal authorities have arrested an Arizona man after he allegedly posted videos online in which he threatened to kill Donald Trump and brandished an AR 15-style rifle.

Trump's plan for tariffs against Canada and Mexico could dramatically raise prices for Americans and threaten a trade agreement negotiated by his own administration.

Two months before his inauguration, President-elect Donald Trump threatened new tariffs on America's top three trading partners—Mexico, Canada and China—to curb the influx of migrants and drugs.

Mexican President Claudia Sheinbaum has suggested Mexico could retaliate with tariffs of its own, after U.S. President-elect Donald Trump threatened to impose 25% tariffs on Mexican goods if the country doesn’t stop the flow of drugs and migrants acros...

Plus, a look at Donald Trump's tariff plans as well as Walmart announces it is rolling back its diversity, equity and inclusion policies.

Here's a look at how special counsel Jack Smith's investigation into former President Donald Trump's handling of classified documents has progressed.

A federal appeals court has dropped Donald Trump from the special counsel's appeal of his classified documents case, ending Trump's prosecution on federal charges.

Trump border czar Tom Homan and Texas Governor Greg Abbott made two stops along the border to feed National Guard troops and DPS troopers on Tuesday.

Former acting CDC director, Dr. Richard Besser takes a look at who President-elect Donald Trump has selected to lead federal health agencies and the impact these appointments may have.

Harry Dunn, a former Capitol police officer, joins ABC News Live with a reaction to President-elect Donald Trump's promise to pardon January sixth rioters.

Smith cited the Justice Department's "categorical" policy that he said bars the prosecution of a sitting president as the reason for his request to drop both cases against Trump.

President-elect Donald Trump is vowing to implement the tariffs on both countries on his first day in office.

How far can Donald Trump go to push through some of his controversial Cabinet picks, like former Rep. Matt Gaetz?