Explain the causes of ww1

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.