6. Why did the United States come out ahead of other countries who fought in World
War 1?

The immediate cause of World War I that made the aforementioned items come into play (alliances, imperialism, militarism, nationalism) was the assassination of Archduke Franz Ferdinand of Austria-Hungary. In June 1914, a Serbian-nationalist terrorist group called the Black Hand sent groups to assassinate the Archduke.

Explanation:

in its entirety, the "final solution" called for the murder of all european jews by gassing, shooting, and other means. six million jewish men, women, and children were killed during the holocaust—two-thirds of the jews living in europe before world war ii