Trump has gone a long way toward hindering democracy in other countries

The president has questioned American democracy for four years, creating challenges abroad

The last time a Republican won the popular vote for president, the winning candidate declared that the spread of democracy was central to American security.

It is the policy of the United States to seek and support the growth of democratic movements and institutions in every nation and culture, with the ultimate goal of ending tyranny in our world," said George W Bush in his second inaugural address in 2005.

The challenges facing US democracy promotion have clearly grown through the Trump years