That would be a Vaudeville
The right answer is Letter "D) ethnic tensions within the Austria Empire"
Explanation: The immediate cause pointed out, as responsible for the first world war. is the assassination, in Sarajevo, of the Archduke of the Austro-Hungarian Empire, Francisco Fernando, by the Serbian nationalist Gavrillo Princip. However, several other events contributed to the beginning of the conflict.
Kind of sounds like you're talking about lobbyists? They basically influence government figures through favors, usually endorsements and cash. They influence decisions and what the US does abroad. A big reason why we support Saudi Arabia so much, because we do business with them.
Answer:
From what I can see, the route (image) is not being shown. But if I were you, I would choose the spots on the route that lead to Italy. Whether it is the fastest route or just simply leads to Italy. No one can really help any further without an image of the route (assuming there is one, and there probably is due to the format of the question), so maybe just post the question again with the image attached if my answer didn't help much.
Persian empire and byzantine empire hope this helps