Respuesta :
The topic of human and civil rights is often used as a theme for studying the history of the world since World War I.
World War I is the Great global First war held between various countries such as Europe, Russia, the United States, Turkey. It began in July 1914 and ended in November 1918.
The main cause due to which the War began was the violation of humans as slaves and the drastic changes of civil rights. They include militarism, alliances, imperialism, and nationalism. During the war, there was the murder of Franz Ferdinand.
Therefore, the main topic for analyzing world war I is to study humans and their civil rights. Thus, option A. is correct.
To know more about World war I, refer to the link:
https://brainly.com/question/925121