India, Feb. 15 -- US Secretary of State Marco Rubio offered a reassuring message to America's allies on Saturday, striking a less aggressive but still firm tone about the administration's intent to reshape the trans-Atlantic alliance and push its priorities after more than a year of President Donald Trump's often-hostile rhetoric toward traditional allies.

Reminding his audience at the annual Munich Security Conference about America's centuries-long roots in Europe, Rubio said the United States would remain forever tied to the continent even as it pushes for changes in the relationship and the international institutions that have been the bulwark of the post-World War II world order.

Rubio addressed the conference a year after Vice Pres...