Which musician's return to the U. S. after fifteen years in Europe signaled a rebirth in American interest in acoustic jazz?

Dexter Gordon

Explanation:

Dexter Gordon was widely known as an American Jazz artist. His career spanned between 1940 to 1986. He started as a Bebop artist. He later moved to Europe around 1962 where he lived and played predominantly between Paris and Copenhagen. He later came back to the United States around 1976. His musical works upon his return succeeded the fusion jazz era which signaled a rebirth in American interest in acoustic jazz

no every country is held to the same degree as others just some member countries such as the usa and germany are more economically sound so the need to show there support to all others  

because of the war the westeners befriended japan and each other advance.