World War 1 came about due to secret treaties and the assassination of Franz Ferdinand. World War 2 was much simpler, Hitler just invaded multiple countries.
Well they are different wars and different people fought in them.
20 years
its the only war called world war 1
World war two had Adolf Hitler in charge and it was about 1940s and in world war 1 it was in the 1915s
i'll never answer
There are different people.
Chemical warfare.
I would say since they were from different time periods there were different strategies used.
because it was fourght in countries from 3 different continents
because the world war was about different countries with different military capabilities
No. it's a whole different war.
How is your society different today because of civil war