The U.S. Supreme Court on Tuesday cleared the way for Donald Trump's administration to pursue mass government job cuts and the sweeping downsizing of numerous agencies, a decision that could lead to tens of thousands of layoffs while dramatically reshaping the federal bureaucracy.

Along with rescissions hitting foreign aid, the new round of firings shows Trump is still bent on tearing down bipartisan foreign-policy traditions.

The Supreme Court's conservatives said it was a federal judge in San Francisco, not President Trump, who exceeded her authority.