Question

WHY FIRST WORLD WAR OCCURED ??
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Answer 1

Answer:

The immediate cause of World War I that made the aforementioned items come into play (alliances, imperialism, militarism, nationalism) was the assassination of Archduke Franz Ferdinand of Austria-Hungary. In June 1914, a Serbian-nationalist terrorist group called the Black Hand sent groups to assassinate the Archduke.

Answer 2

ANSWER

ᴛʜᴇ ɪᴍᴍᴇᴅɪᴀᴛᴇ ᴄᴀᴜsᴇ ᴏғ ᴡᴏʀʟᴅ ᴡᴀʀ ɪ ᴛʜᴀᴛ ᴍᴀᴅᴇ ᴛʜᴇ ᴀғᴏʀᴇᴍᴇɴᴛɪᴏɴᴇᴅ ɪᴛᴇᴍs ᴄᴏᴍᴇ ɪɴᴛᴏ ᴘʟᴀʏ (ᴀʟʟɪᴀɴᴄᴇs, ɪᴍᴘᴇʀɪᴀʟɪsᴍ, ᴍɪʟɪᴛᴀʀɪsᴍ, ɴᴀᴛɪᴏɴᴀʟɪsᴍ) ᴡᴀs ᴛʜᴇ ᴀssᴀssɪɴᴀᴛɪᴏɴ ᴏғ ᴀʀᴄʜᴅᴜᴋᴇ ғʀᴀɴᴢ ғᴇʀᴅɪɴᴀɴᴅ ᴏғ ᴀᴜsᴛʀɪᴀ-ʜᴜɴɢᴀʀʏ. ɪɴ ᴊᴜɴᴇ 1914, ᴀ sᴇʀʙɪᴀɴ-ɴᴀᴛɪᴏɴᴀʟɪsᴛ ᴛᴇʀʀᴏʀɪsᴛ ɢʀᴏᴜᴘ ᴄᴀʟʟᴇᴅ ᴛʜᴇ ʙʟᴀᴄᴋ ʜᴀɴᴅ sᴇɴᴛ ɢʀᴏᴜᴘs ᴛᴏ ᴀssᴀssɪɴᴀᴛᴇ ᴛʜᴇ ᴀʀᴄʜᴅᴜᴋᴇ.