I'm a new IB student and it's my first time using this platform :)
This year my teacher of history had to go, so now I have a new one but she doesn't know much about the IB. Therefore, I'm a bit lost, especially in my IA, which I want to start so I don't get saturated next year.
For the last week I've been killing myself looking for sources for my inquiry question "To what extent were the Bismarckian alliance systems a cause of WWI?", but aside from not knowing how to look for sources, I've found that the inquiry question it's quite wide. So, reading some comments