B is the answer to the question
Answer: d.
Explanation: they used them to spy on each other
Napoleon crowned himself emperor in 1804.
Answer:
Explanation:
Many attribute the escalation of ww1 and the events of the July crisis to complicated networks of alliances that were the keystone of European Diplomacy at the time. Compounded with the leaders of countries who each believed they would win the war quickly, and technological advancements since the Franco-prussian war, the conflict in the Balkans quickly escalated to a large scale war.
