Secret diplomacy was a major factor based on the fact that led to fear between all the nations and confusion. Nationalism and imperialism is a factor, scramble for Africa, Archduke fradana has some ties based that his death lead to more retaliation in the Balkans which wanted to be independents do Austria-Hungary and Russia fought over for.
Age of recovery
Urban society
individual abilities
education. humanism, thought grammar, rhetoric language, their past history.
renaissance society. a strong bond in the family was very important because it was a great source of security when it was a very dangerous time.
Answer: Reason
You can read about that on wikipedia: https://en.wikipedia.org/wiki/Age_of_Enlightenment
Or here on history.com: https://www.history.com/topics/british-history/enlightenment
Answer:
It led to the fall of four great imperial dynasties (in Germany, Russia, Austria-Hungary, and Turkey), resulted in the Bolshevik Revolution in Russia, and, in its destabilization of European society, laid the groundwork for World War II.
Explanation: