Which of the following can be used to investigate the reason the assassination of Archduke Franz Ferdinand sparked world war 1

Answer 1

1. Historical sources such as documents, letters, and speeches from the time period
2. Analysis of political alliances and power dynamics in Europe in the early 20th century
3. Examination of the role of nationalism and imperialism in Europe at the time
4. Study of the events leading up to the assassination and the reactions of different countries
5. Comparison with other historical assassinations and their impact on international conflicts