Trump Chaos to Economics supply chains...

Builiding Materials: Trump Failure to to address pandemic in time causing Pandemic Shut down Factories Demand outstripped production

Trump administration: On April 24, 2017, U.S. Commerce Secretary Wilbur Ross said his agency will
impose new anti-subsidy tariffs averaging 20 percent on Canadian softwood
lumber imports, a move that escalates a long-running trade dispute between the two countries.

Metals:
Aluminum Companies in Recession: World wide recession and oversupply... Pandemic and China has become self reliant.
Trump imposed tariffs on many countries including middle east. Trump relaxed tariffs on just middle east last day in office.
Biden has reversed Trumps decision and reimposed those on the middle east.

Copper went in the tank when Trump imposed tariffs. China countered with a 25% tariff on US copper which killed the market.

Semiconductors

The situation remains in flux as U.S. and Chinese governments grapple over the issue, but as of May 13,
President Trump has ordered increased tariffs (from 10% to 25%) on about $300 billion in new Chinese imports
(essentially, all imports that weren’t already subject to the higher tariffs), and the Chinese have retaliated by raising tariffs on $60 billion in U.S. goods.

Qualcomm and Broadcom, for instance, generate more than 60 percent of their revenue from China, and are at risk from
China’s retaliatory tariffs,” he points out. “And while companies such as Apple have not been affected by tariffs to date,
Trump’s [25% tariffs] on additional Chinese imports would mean that all those iPhones assembled in Shenzhen would suddenly become even more expensive.”

According to Fujita, the manufacturer sources 70% of its components from U.S. suppliers.
But when the first 10% tariff was placed on $200 billion in Chinese goods in 2018, the company’s costs jumped.
 “Everything from resistors to the diodes he imported were all taxed,” she writes, “resulting in a $200,000 bill, for the small business so far.”