Question

when was the first world war?
what is the main reason of first world war?

Answer 1

first World War held in 1914
and ends in 1918
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
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Answer 2

hey dear

here is your answer

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First World War held in

28 July 1914 - 11 November 1918

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Countries which are participated

Germany, Hungary, Australia, Bulgaria and Ottoman

Against countries

Britain , Italy, France , Russia , Japan and United States
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Reason of first World War
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1) Much of the originic war was based on the Slavic people in Bosnia

2) As the works entered in 20th century Germany increased their military power Germany and Britain both increased their native power

3) Africa and part of Asia were points of contention in European countries because of the raw materials these areas ran high the increasing competition and desire for greater empire led to an increase in confrontation that helped to push into World War 1.

4) Over time countries throughout Europe mutual defence agreements that pull them into battle the treaties are if one country attacked then all countries were defend them.

These are some main reason of war

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