Keir Starmer is reconsidering key elements of the UK's economic policy in response to Donald Trump's tariff actions.The UK is concerned about the impact of Trump's trade war and potential lasting damage to its economy.There is a possibility of raising taxes or changing fiscal rules to boost economic growth and combat recession.Global stock markets lost almost $5tn after Trump's tariff offensive, affecting the UK's FTSE 100.Jaguar Land Rover announced a pause in shipments to the US in response to the new trading terms.Keir Starmer aims to protect working people, jobs, and public services amidst the economic shock.There are discussions around potential shifts in economic policy due to the evolving crisis.The EU and China are responding with additional tariffs, and the UK is considering all options.Former WTO head Pascal Lamy suggests using trade power to threaten countermeasures against the US.Protests against Trump's policies and trade tactics indicate growing concern and defiance in the US.