Runaway Servitors: Us and Them

Since ancient times, the essence of all wars has been a struggle between us and them. From blood relations, ethnic relations to faith relations. We always prefer to trust us and exclude them. Thus tribes, kingdoms, empires. Concepts have waxed and waned over the course of history. When vague memories are reawakened. When the key to the fate of two civilizations falls into our hands. How will we choose? Who is one of us. Is it a companion who gets along day and night, or a compatriot who lives in a foreign land?