Do you think it is a partisan issue or do you think it has to do with long term military strategy such as the Strait and fossil fuels? My guess would be they essentially want total military submission, something like a base inside the country.
And don't forget the military industrial complex and its influence to break the peace and sell more weapons.
Trump, riding on the wave of propaganda, just called it the worst deal ever only to have something to criticize Obama's foreign policy over.