Here's two reasons why WW1 was started.Can you pick the right answer?

It was a combination of the two events - the ination was the kick-off and snowballed from there. As one country, then another, chimed in, it grew until it reached a point of no return, when was was inevitable because no one would back down. Chamberlein thought he could broker a peace, and almost suceeded, but it was not to be.