stays these couriers

Though never an official motto, the phrase from Herodotus about another determined set of postal workers, the Persians, unparalleled in Antiquity, the words are stirring and befitting such a beleaguered though indefatigable group.
Knowing that he cannot win honestly and outright or retain a controlling majority of the legislature, Trump is dismantling the US mail to stop postal balloting—with the added bonus of ensuring knock-on delays downstream, for people that need to receive rent or pension cheques through the mail and potentially deadly deferrals for those refiling prescriptions. Though there was turmoil beforehand over the United States’ leaving of the Universal Postal Union, this new phase was not a necessary consequence and the actions being undertaken now could not be characterised as anything else but sabotage.