European Union officials are taking a two-part approach to President Trump’s unfolding trade war, offering to slash tariffs on American-made cars and industrial products even as they prepare to retaliate imminently with wide-ranging levies.

Ursula von der Leyen, president of the E.U.’s executive branch, said on Monday that the 27-nation bloc would be willing to employ a “zero-for-zero” approach on products including cars, eliminating tariffs on the goods if the United States did the same. E.U. car tariffs are currently set at 10 percent.

But at the same time, both she and the E.U. trade commissioner, Maros Sefcovic, made it clear that European officials were preparing to deploy tariffs and, potentially, other trade barriers to hit back at the United States if the two sides could not reach a deal. Those tariffs are set to begin within days.

European Union officials circulated on Monday evening in Brussels a list of products that they plan to hit with retaliatory tariffs, said Olof Gill, trade spokesman for the European Commission, the bloc’s executive branch. Representatives from across the bloc’s member states are expected to vote on that list on Wednesday. If approved, the fresh tariffs would take force in two waves — one on April 15, the second a month later.

Officials did not immediately make the list public.

The tariffs would mark the E.U.’s first concrete reaction to Mr. Trump’s volley of recent trade measures. They would specifically respond to U.S. steel and aluminum tariffs that took effect in mid-March, and officials have said they would be only a first step. European policymakers are contemplating how to react to Mr. Trump’s subsequent moves, including his 25 percent tariffs on automobiles and the 20 percent across-the-board tariff on E.U. goods that he announced last week.

The bloc’s first set of retaliatory tariffs was expected to be sweeping, though somewhat dialed back from what was originally planned.

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Seven days after an earthquake devastated Turkey in 2023, French volunteers used a suitcase-size radar to locate a survivor under the rubble. It was one of many lives the device helped save in the aftermath of the disaster.

The group also rushed volunteers to Myanmar after a powerful earthquake last month leveled buildings, bridge and centuries-old temples. But the volunteers were stuck at immigration control at the airport in Yangon for more than a day. They finally entered the country last Wednesday, only to have the authorities declare search and rescue operations ending the next day. The volunteers returned home without finding a single survivor.

Myanmar’s military government surprised many observers when it called for international assistance in response to the March 28 earthquake. It also declared a cease-fire against rebels in a civil war that has consumed the nation.

But less than two weeks after the calamity hit, aid groups and volunteers said, international relief is not reaching Myanmar’s beleaguered public as fast as it could. They blame the junta for delays and restrictions on distributing aid. Others cite a climate of fear — the military has resumed airstrikes on rebel areas despite the cease-fire and on at least one occasion fired on aid workers.

“Nothing was reasonable on the ground,” said Sezer Ozgan, a volunteer with the French nonprofit L’Espoir du peuple A.R.S.I.

Already ravaged by war, Myanmar continues to reel from the earthquake, which people have been calling “earth’s anger.” The official death toll has surpassed 3,500 and many more have been injured. But the full extent of the devastation remains hard to assess because of damaged roads and toppled phone towers.

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China’s leaders have sent a clear message about the effects of the Trump administration’s sweeping tariffs: Things will be painful, but it is nothing that the country cannot handle.

A commentary on Sunday in the Communist Party mouthpiece, the People’s Daily, said Beijing had prepared for a trade war with the United States and that China could potentially come out stronger as a result.

“The abuse of tariffs by the United States will have an impact on China, but ‘the sky will not fall,’” it said. “China is a super economy. We are strong and resilient in the face of the U.S. tariff bullying.”

The commentary highlighted how China hopes to position itself as the tariffs cause growing economic disruption. It wants to be seen as a responsible champion of fair trade that is too powerful to succumb to U.S. pressure.

China also sought to project solidarity with other nations targeted by U.S. tariffs in another state media commentary on Sunday.

In that piece, China accused the United States of trying to “subvert the existing international economic and trade order” by putting “U.S. interests above the common good of the international community.” Washington was also advancing “U.S. hegemonic ambitions at the cost of the legitimate interests of all countries,” it said.

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The Trump administration’s decision over the weekend to revoke visas for all South Sudanese passport holders has added to the mounting political and humanitarian challenges of a country on the brink of civil war, officials and observers said on Monday.

Tensions between the two political leaders of South Sudan have escalated in recent weeks, especially after the authorities put the vice president under house arrest in late March. Millions of people are also facing hunger, displacement and disease as violence intensifies and the United States cuts aid.

Observers say the sweeping visa ban shows how Washington is retreating from South Sudan — a nation the United States helped bring into existence nearly 15 years ago — at a time of immense need.

“A massive storm is forming over South Sudan, and the visa ban only adds to the anxiety people have about all that could go wrong,” said Daniel Akech, the senior South Sudan analyst at the International Crisis Group, a nonprofit organization.

On Saturday, Secretary of State Marco Rubio said he was revoking visas for South Sudanese nationals and preventing any more from entering the United States. The deputy secretary of state, Christopher Landau, said on social media that South Sudan had refused to accept the repatriation of one of its nationals.

The Trump administration has not said whether it would seek to deport South Sudanese nationals whose visas had been revoked. South Sudan’s government has not responded to the announcement of the visa ban, and a government spokesman did not respond to requests for comment.

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