This is an opinion, you cant get it wrong try doing it yourself in your own words. Focus on what the question is asking of you and then do your best to answer accordingly.
<span>World War I is called the first modern war due to the influence of "industrialization," since this led to the creation of weapons that were far more powerful than any in the past. </span>
The correct answer is 10%.
Sometimes these numbers were higher, sometimes they were lower, but in general, good economic years hovered around 10% which was not so bad for the society since it's impossible to reduce it to 0% and it is also easy for it to go way over 10%, so the 10% mark was acceptable for numerous countries in Europe.
The Treaty of Versailles was a peace treaty that ended WW1 (between Germany and allies)