Even if they did start to renegotiate....;by about half way into Trump's second term...the next ice age will be starting
The only countries that have any chance to survive are Nicaragua....Syria...and the USA.
To put it all into historic perspective:
One of Galileo's sunspot drawings, from 23 June 1612
During the "Little Ice Age", (1350-1750) Frost Fairs were held on the thick ice of the River Thames
In this 1677 painting by Abraham Hondius, 'The Frozen Thames,
So..expect another ice age shortly....as the Sun isn't making hardly any sunspots these days.
Because the Sun's magnetic field is in decline
Expect a new "Manhattan Project" to prepare the country for the cold.
The Holocene (which we are in!) is simply a lull in the current Quaternary glaciation.
More research here:
https://nextgrandminimum.wordpress.com/