Answer:
Militarism, Alliances, Imperialism, & Nationalism
Explanation:
nationalism: Bosnians wanted to seperate from Austris-Hungary and join Serbia.
militarism: Britain had a strong military, and navy. It was possibly the strongest there was back then. Germany knew this and started to create a navy that could rival Britains.
imperialism: Many countries wanted to acquire land and colonies far away for various reasons.
alliances: France joined Britain and Russia = Triple Entente/Allies.
Germany joined with Austris-Hungary and Italy=Triple Alliances/Central Powers.
