World war ii represents a turning point in modern world history because it

World war 2 represents a turning point in modern world history because it remains the only war to use nuclear weapons in the history of armed conflict.  World War 2 was more advanced in military technology example, aerial bombing and the dropping of the atomic bombs on Hiroshima and Nagasaki killing  129,000–226,000 people, most of whom were civilians.

monarchy doesn’t have to have the hereditary element. there have been elective monarchies in the past where you choose your king-for-life and when he dies elect someone else for the job.