Definition: In this task, you will be presented with a passage and have to answer a question based on your understanding of the events inferred from the passage. Try to find the best answer that is most likely to fill in "_". Note that the URLs in the text have been replaced with [Link].
Input: (CNN) In the end, Donald Trump stayed true to himself. Beset by appeals from foreign leaders and corporate titans to put the planet first, he pulled out of the Paris climate accord Thursday. It's a decision that upheld his political instincts, nationalistic economic vision and dark view of a predatory world with one unified goal -- to rip America off. In fact, the move to leave the climate pact, endorsed by almost 200 countries worldwide, is one of the few international promises Trump has actually followed through on. The White House choreographed Thursday's announcement as a triumph for Trump after a turbulent debut to his presidency in which he has struggled to translate the populist, anti-elite promises of his campaign into real change and has railed against the limits of his office.Donald Trump pulled out of the Paris climate accordIts one of the few major campaign promises on foreign policy he's kept 
 Question:Internationally, _ has run into the headwinds of geopolitical reality, the national security imperative to work with global partners and the need to honor legal obligations.

Donald Trump