1 Era guerra mundial

World war 1

Befote the world war 1 begun they have a lot of problems and causes that were a lot , the first word war began in august 1914. It was directly triggered by the assassination of theaustrian archduke, Franz Ferdinand and his wife, on 28th June 1914 by bosnian revolutionary, Gavrilo Princip.(53)

The contries that were envolved were a lot but I will explain you:(66)Austia-Hungary

Serbia

Bosnia

Austria-Hungary FranceGermany Great Britain

Russia
Italy(77)

The alliances is anagrrement made between two or more contries to give each other help if it is needed.When an alliance is signed, those countries become known as allies .These were important because they meant that somecontries had no option but to declare war if one of their allies, declare war first.(132)

The alliances afect all the poblation they are imperialists that were people that take over new lands orcontries and makes them subject to their rule.Or some people were nationalists that means that being a strong supporter of the rights and interests of one´s contry, or others were militarists that theywere army and military forces are given a high profile by the goverment and that forces an arms race.The German industrial base had, by 1914, overtaken that of Britain, though Germany did not havethe commercial advantages of a large empire. In the years running up to the war a race to possess the strongest navy arose between Britain and Germany, each country building large numbers ofdreadnoughts. (261)

A lot of weapons were created like the :
Rifle
Machina gune
Gas
Zeppeline
Tank
Planes
Torpedoes (277)

Another relevant event that took place was the influenza pandemic...