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: Washington (CNN) President Donald Trump's launch of two major military strikes in the last two weeks raises a question about his 2016 declaration that the US can no longer be the world's policeman: Has Trump changed his mind? Eighty-six days into the new administration, the President seems to pivoting away from the "America First" doctrine that drove his campaign and foreshadowed a withdrawal from the world stage. Some of Trump's foreign policy decisions still seem to reflect that protectionist view -- in particular his decision to slash the budget for US diplomacy. But Trump's recent use of military force in Syria and Afghanistan points to a possible evolution in his thinking about the use of American power and how best to wield it on the world stage.Trump has taken action in places like Yemen, Syria, AfghanistanThe moves have given US power a shot in the arm, according to observers 
 Question:But that "total authorization" has raised concerns that _ may be placing too much emphasis on military solutions to diplomatic problems and may be shirking responsibility along with authorization.

Donald Trump