President Donald Trump aims to prevent conflict with China over Taiwan and the South China Sea by building up U.S. and allies' military power, according to a new U.S. strategy document.

Trump’s updated national security strategy markedly softens its focus on China, reshaping Washington’s stated priorities while omitting several long-standing threats

President Donald Trump on Tuesday signed into law a measure forcing the US State Department to review guidelines for the country’s engagement with Taiwan, according to the White House, amid escalating concerns that China could move against the self-governing island.