Please answer the following question: Information:  - Jazz is a music genre that originated amongst African Americans in New Orleans, United States, in the late 19th and early 20th centuries. Since the 1920s jazz age, jazz has become recognized as a major form of musical expression. It emerged in the form of independent traditional and popular musical styles, all linked by the common bonds of African American and European American musical parentage with a performance orientation. Jazz is characterized by swing and blue notes, call and response vocals, polyrhythms and improvisation. Jazz has roots in West African cultural and musical expression, and in African-American music traditions including blues and ragtime, as well as European military band music. Although the foundation of jazz is deeply rooted within the Black experience of the United States, different cultures have contributed their own experience and styles to the art form as well. Intellectuals around the world have hailed jazz as "one of America's original art forms".  - World War II (often abbreviated to WWII or WW2), also known as the Second World War, was a global war that lasted from 1939 to 1945, although related conflicts began earlier. It involved the vast majority of the world's nationsincluding all of the great powerseventually forming two opposing military alliances: the Allies and the Axis. It was the most widespread war in history, and directly involved more than 100 million people from over 30 countries. In a state of "total war", the major participants threw their entire economic, industrial, and scientific capabilities behind the war effort, erasing the distinction between civilian and military resources. Marked by mass deaths of civilians, including the Holocaust (in which approximately 11 million people were killed) and the strategic bombing of industrial and population centres (in which approximately one million were killed, and which included the atomic bombings of Hiroshima and Nagasaki), it resulted in an estimated 50 million to 85 million fatalities. These made World War II the deadliest conflict in human history.  - British dance band is a genre of popular jazz and dance music that developed in British dance halls and hotel ballrooms during the 1920s and 1930s, often called a Golden Age of British music prior to World War II.  - African-American music is an umbrella term covering a diverse range of musics and musical genres largely developed by African Americans. Their origins are in musical forms that arose out of the historical condition of slavery that characterized the lives of African Americans prior to the American Civil War.  - Nathaniel Charles ( Nat ) Gonella ( 7 March 1908 -- 6 August 1998 ) was an English jazz trumpeter , bandleader , vocalist and mellophonist born in London , perhaps most notable for his work with the big band he founded , The Georgians , during the British dance band era . His vocal style was reminiscent of Louis Armstrong , though the voice was often eclipsed by his achievements as a band leader and trumpeter . Gonella has been a major influence on other British jazz trumpeters , including Humphrey Lyttelton and Digby Fairweather .    Given the information above, choose from the list below the object entity that exhibits the relation 'conflict' with the subject 'nat gonella'.  Choices: - american civil war  - atomic bombings of hiroshima and nagasaki  - world war  - world war ii
Answer:
world war ii