It's a Different World, but the Other Side Is Making Rapid Progress

[Group portrait, not a cool article, but a serious one] A different world that is very similar to ours is connected, but the technological level on the other side of the portal is already in the early days of the Cold War. When "they" who are good at learning encounter us who have ulterior motives. Over the past fifteen years, the gap between the two sides has gradually narrowed, and the other side has its own history, its own culture, and its own values. At this time, is the conflict between "them" and us a battle of ideas or a battle of race?