Trump uncorks massive new tariffs and sends warning shot if countries respond

President Donald Trump posted several letters he sent to the leaders of Myanmar, Kazakhstan, Laos, Malaysia, and South Africa, telling them that as of Aug. 1, he will increase the tax on goods coming into the United States from their countries from 25-40%.

"If for any reason you decide to raise your tariffs, then, whatever the number you choose to raise them by, will be added onto the 25% that we charge," he told the Malaysian prime minister in the letter.

The Trading Economics website said that the top exports to the United States from Malaysia are electrical and electronic products, machinery, and rubber products.

South Africa's top exports to the United States are precious metals and stones, such as minerals, lime, and cement, along with vehicles and agricultural products, according to the Department of Commerce.

Laos' top exports to the United States are optical fibers, leather footwear, and knitted hats.

Kazakhstan's exports to the United States are largely dominated by oil, including crude petroleum, ferroalloys, and refined petroleum

Myanmar exports include a lot of apparel, both knit and non-knit, articles of leather and travel goods, footwear, and electrical and electronic equipment.