
United States Defense Secretary Jim Mattis on Wednesday pledged closer defense cooperation with Argentina. Standing beside his Argentine counterpart, Oscar Aguad, Mattis said the military partnership can be strengthened and alluded to the help the U.S. Navy provided Argentina last November when one of its submarines went missing with 44 sailors aboard.

United States Defense Secretary James N. Mattis and Foreign Minister Aloysio Nunes of Brazil met on Monday at the Itamaraty Palace in Brazil to reaffirm the long-standing bilateral relationship between their nations, chief Pentagon spokesperson Dana W. White said.

Pharmaceutical group Bayer has dismissed claims that an ingredient used in weed killers is carcinogenic. The German company, which owns agriculture giant Monsanto, says herbicides containing glyphosate are safe.

Former White House chief strategist Stephen Bannon on Sunday defended Boris Johnson amid controversy over the former British foreign secretary's comments that women who wear burqas look like “letterboxes” and “bank robbers.”

Major Latin American currencies fell against the dollar on Thursday as global trade tensions strengthened the greenback and political uncertainty in Brazil and Argentina. Latin America's largest economy heads into a presidential election in two months time and in Argentina a major corruption scandal is unfolding.

President Donald Trump has issued a strong warning to anyone trading with Iran, following his re-imposition of sanctions on the country. Anyone doing business with Iran will NOT be doing business with the United States, the president tweeted.

At midday on Tuesday, the first wave of U.S. sanctions suspended under the Iran nuclear deal will snap back into place, as the Trump administration tries to ramp up the economic pressure on Iran. But without partners in Europe, let alone buy-in from countries like Russia, China, and India, it's unclear how strong that pressure will be.

China’s state media said on Saturday the government’s retaliatory tariffs on US$60 billion in U.S. goods showed rational restraint, although in an opinion piece it still admonished the United States for blackmail and bullyboy tactics.

The Federal Reserve held its benchmark interest rate unchanged on Wednesday and reaffirmed its plans to continue raising borrowing costs at a gradual pace. The decision to hold rates had been widely expected and came after a two-day meeting of the Federal Open Market Committee, which dictates monetary policy.

A US federal judge in Seattle has blocked the release of software that allows consumers to 3D-print firearms. Gun access advocacy group Defense Distributed was due to put downloadable gun blueprints online on Wednesday.