The country asked to fly its flag at Sunday's winter games closing ceremony but could be left waiting for a decision.
Companies used 360 video of athletes competing to demonstrate the capabilities of 5G wireless.
The tour has been overshadowed by suggestions of a lukewarm reception by the government and a series of photo ops featuring the Trudeau family in coordinated Indian attire that have raised eyebrows in both countries.
In recent decades, rural depopulation has meant fewer people live in the homes, which are composed of rooms hewn into the walls of an excavated circular courtyard.
Neither Kelly nor McMaster responded to requests for comment on whether they would remain in the administration.
A new "super-ministry" set to deepen Chinese President Xi Jinping's war on graft and extend it to all state employees is likely to undermine years of work by Chinese legal reformers to protect the rights of suspects during investigations, according to some Chinese academics.
The official said it will likely take "many more months" to restore electricity and critical infrastructure to Puerto Rico, adding it was unclear how many of the residents who fled will eventually return.
Mexican buyers imported ten times more corn from Brazil last year amid concern that NAFTA renegotiations could disrupt their U.S. supplies, according to government data and top grains merchants.
At least 310 people have been killed in the Ghouta district since Sunday night.
This is not the first time the United States has shown concern about President Rodrigo Duterte, who is notorious for his defiance of international pressure.