What tariffs has Trump announced and why?

The article discusses President Trump's tariff policies and their impact on the global economy. Trump has implemented a series of tariffs on various goods, including steel, aluminum, and Chinese imports, in an effort to protect American industries and reduce the trade deficit. The tariffs have had a significant impact, causing disruptions in global supply chains and leading to retaliatory measures from trading partners, such as the European Union, China, and Canada. This trade war has contributed to increased uncertainty and volatility in the world economy, with some US prices rising as a result of the tariffs. The article notes that Trump's trade policy has been a source of controversy, with critics arguing that the tariffs are harming American consumers and businesses, while supporters believe they are necessary to protect American jobs and industries. The long-term effects of these tariffs remain to be seen, but they have undoubtedly been a significant factor in the current global economic landscape.