"Speak softly and carry a big stick" went along with the:*

President Roosevelt's saying was “speak softly, but carry a big stick”, meaning that the U.S. would stay out of Latin American problems unless they needed to get involved. It was the Spanish american war

Explanation:

to protect the united states' role as a world leader, president truman wanted to prevent the soviet union from spreading communism beyond its post-world war ii boundaries. he declared that the united states must assist any nations struggling to prevent a communist takeover.