Elon Musk has increasingly waded into foreign politics from the perch of his social platform X — a development that experts say likely raises questions for U.S. allies about his role in foreign policy,

Donald Trump once called Jimmy Carter a “nice man” but a “terrible president.” The president-elect, speaking in 2019, was adopting a dominant narrative about Carter that took root after he reinvented the concept of the post-presidency with his Nobel Prize-winning global humanitarianism, peace-making and democracy promotion.

Where President-elect Donald Trump decides to go on his first international trip after taking office could signal which foreign challenges he views as his top priority.