The freezing of U.S. foreign aid has stopped work in most military and security assistance programs, including in Ukraine and parts of the Middle East.
President Donald Trump chose from his most loyal supporters when he created his Cabinet and appointed others to key roles within his administration.
U.S. President Donald Trump has said he will impose a 25 per cent tariff on Canadian goods as early as Saturday.
China's presence around the Panama Canal is a national security concern that Panama's government has to deal with, U.S.