Byzantine Empire as it was situated in Byzantium a colony created by the Greeks during the age of colonization under Megaris and then taken over by the Romans later
"Reconcentrados" for Cuban rebels can be linked to Commander Valeriano Weyler. So your answer is B. Hope this helped! :)
~Shadow
Assuming this is about the triple alliance that was created prior to the First World War, then it would be the Central Powers which would be Italy, Germany, and Austria. Not sure what ya put there.
Unfriendly environment, Angry Natives, Britain on there tail.