I think it is let no one hear.
Explanation:
... RESULT The USA became isolated from other countries both economically (trade) and politically (by staying out of the affairs of other countries.)
Answer:Where do international migrants come from? In 2017, of the 258 million international migrants worldwide, 106 million were born in Asia. Europe was the region of birth of the second largest number of international migrants (61 million), followed by Latin America and the Caribbean (38 million), and Africa (36 million).