Trade barriers

FILE - In this Nov. 29, 2018 file photo, Brian Hook, U.S. special representative for Iran, speaks at the Iranian Materiel Display at Joint Base Anacostia-Bolling in Washington. An expiring United Nations weapons embargo on Iran must remain in place to prevent it from "becoming the arms dealer of choice for rogue regimes and terrorist organizations around the world," Hook told The Associated Press on Sunday, June 28, 2020. (AP Photo/Carolyn Kaster, File)

In this July 7, 2018 file photo whiskeys distilled and bottled in the U.S. are displayed for sale in a grocery store in Beijing. American whiskey distillers have watched more than $300 million in export revenues evaporate in the two years since becoming entangled in a trade dispute between the Trump administration and the European Union, according to estimates in a new report. Exports of American whiskey — mostly bourbon, Tennessee whiskey and rye whiskey — to the EU have fallen 33% since the EU imposed a retaliatory tariff on those products on June 22, 2018, according to the report issued Monday, June 22, 2020 by the Distilled Spirits Council of the United States. (AP Photo/Mark Schiefelbein, file)

FILE - In this March 28, 2018, file image made from video, Michael Kovrig, an adviser with the International Crisis Group, a Brussels-based non-governmental organization, speaks during an interview in Hong Kong. China told Prime Minister Justin Trudeau on Monday, June 22, 2020 to “stop making irresponsible remarks” after he said Beijing's decision to charge two Canadians with spying was linked to his country's arrest of a Chinese tech executive. (AP Photo, File)

U.S. Trade Representative Robert Lighthizer takes off his mask as he arrives at a Senate Finance Committee hearing on U.S. trade on Capitol Hill, Wednesday, June 17, 2020, in Washington. (AP Photo/Andrew Harnik, Pool)

European Energy Commissioner Maros Sefcovic addresses a video press conference following a meeting of the EU-UK Joint Committee on Brexit at the EU headquarters in Brussels, Friday, June 12, 2020. The British government said Friday it will delay bringing in full border checks on goods coming from the European Union to relieve pressure on businesses hammered by the coronavirus pandemic. (Kenzo Tribouillard, Pool Photo via AP)

Containers are loaded on a ship at Saigon port in Ho Chi Minh city, Vietnam May 3, 2020. Vietnam on Monday, June 8, 2020, ratified a significant trade deal with the European Union, which is expected boost the country's manufacturing sector and exports, as it recovers from a dip caused by the coronavirus pandemic. (AP Photo/Hau Dinh)

In this undated photo provided on Sunday, May 24, 2020, by the North Korean government, North Korean leader Kim Jong Un speaks during a meeting of the Seventh Central Military Commission of the Workers' Party of Korea in North Korea. Independent journalists were not given access to cover the event depicted in this image distributed by the North Korean government. The content of this image is as provided and cannot be independently verified. (Korean Central News Agency/Korea News Service via AP)

In this photo released by Xinhua News Agency, visitors tour the Chinese internet security firm Qihoo 360 showcasing it 5G digital security and protection system at the World 5G Convention in Beijing on Nov. 21, 2019. One of China's biggest tech companies has criticized the Trump administration for "politicizing business" after it slapped export sanctions on 33 more Chinese enterprises and government entities. (Li Xin/Xinhua via AP)

FILE - In this Wednesday, Feb. 5, 2020 file photo, European Commission's Head of Task Force for Relations with the United Kingdom Michel Barnier, right, is greeted by David McAllister, the German EU parliamentarian who is the legislature's top official on the bilateral relations. Slowed by the coronavirus pandemic and whipped up by a British-imposed deadline, talks between the EU and the UK on a future relationship in the wake of Brexit are struggling to make significant progress. A third negotiation session is drawing to a close on Friday, May 15, 2020 but so far, just over 100 days after the official exit of the UK from the EU, fundamental gaps still exist. (AP Photo/Francisco Seco, File)

In this May 14, 2019 photo, packages of frozen beef filets from Australia, left, the United States, center, and Canada, right, are for sale at a supermarket in Beijing. China has too much at stake to destroy its trading relationship with Australia entirely but is using sanctions to send a sharp warning to the South Pacific nation about its calls for a robust coronavirus inquiry, an expert says. China has suspended beef imports from four Australian slaughterhouses and is threatening to impose huge tariffs on barley after Australia called for independent inquiry into the origins of the virus. (AP Photo/Mark Schiefelbein)