
The United States has announced plans to withdraw from a 144-year-old postal treaty, which the White House says lets China ship goods at unfairly low prices. The United Nations treaty sets lower international rates for packages from certain countries, a move originally designed to support poorer nations.

US Vice President Mike Pence warned Central American nations to be cautious when building relations with China, which has been increasingly active in the region. Amid mounting tensions between the United States and China, Pence brought up ties with Beijing as he met in Washington with leaders of El Salvador, Guatemala and Honduras as well as Mexico's foreign secretary.

United States share markets suffered on Wednesday their sharpest one-day falls in months, as fears about rising interest rates, inflation, trade tensions intensified. The tech-heavy Nasdaq led the declines, sliding 4%, or 315.9 points, to 7,422. The Dow Jones and S&P 500 also fell by more than 3%, with losses accelerating towards the end of the day. Netflix fell 8%, while Amazon slid 6%.

United States Justice Department said on Wednesday it had arrested and indicted a spy for China’s Ministry of State Security on charges of economic espionage and attempting to steal trade secrets from several U.S. aviation and aerospace companies.

The United States’ ambassador to the United Nations, Nikki Haley, has resigned leaving President Donald Trump’s national security circle, White House officials said on Tuesday.“It’s been eight years of intense time, and I’m a believer in term limits. I think you have to be selfless enough to know when you step aside and let someone else do the job,” the 46-year-old said.

Britain would be welcomed into the Trans-Pacific Partnership trade pact “with open arms” by Japan, the country’s prime minister has said. Shinzo Abe also urged the use of “wisdom” during Brexit talks in order to avoid a no-deal withdrawal from the EU.

President Donald Trump's controversial nominee for the Supreme Court, Brett Kavanaugh, has been sworn in following weeks of rancorous debate. The Senate earlier backed his nomination by 50 votes to 48.

Saudi Arabia’s Crown Prince Mohammed bin Salman dismissed remarks by Donald Trump in which the U.S. president said he had warned the king he would not last in power “for two weeks” without U.S. military backing and demanded he pay up.

Vice-president Mike Pence on Thursday accused China of military aggression, commercial theft and rising human rights violations as he cast the Asian power as a villain bent on interfering in upcoming US elections.

After 14 months of talks between the United States and its closest allies, President Donald Trump celebrated the United States Mexico Canada Agreement, or USMCA, a new trade agreement that is poised to replace the North American Free Trade Agreement, or NAFTA.