Ice pose a sudden nuking (new king?) war between the two
Arch rivals at this juncture would be just the precise emergency that would keep Mr Trumpin Office.

Many provisions in NDAA, Patriot Act and etc that would prevent a transfer of power during a critical time of international instability and the probable entry of the USA in an immediate and possibly protracted military capacity.

If Pak or India dropped only one nuclear device, all bets for Biden will be off, and Trump would remain in power; and many political opponents would likely be swept up and imprisoned in military camps.

Also Kanala Harris would be seen as a hawk for Pakistan while Trump
would likely support India. We dont want to anger India neither to bolster China’s allies (Pakistan etc)