Answer:
The real and main reason was The Assassination of Archduke Francisco Ferdinand heir to the throne of Austria-Hungary in his visit in Bosnia. The Hero Gavrilo Princep killed him because he want his country to have independence.
There are also reasons like Imperialism, Nationalism, Militarism and many otherd
<span>struggles over the line of succession
is the write answer
</span>
Slaves were sold which means money was traded and you need money to successfully thrive and so when it ended there was no more money so they had to find different ways and it took a while.
Answer:
I believe that the answer for this is C but I'm not sure if that's correct
So basically not communicate with another individual !