Most of the area the Soviets took are areas in modern Lithuania and Ukraine. Poland had annexed them in the Polish-Soviet War and the Polish-Lithuanian War earlier.

As for the second question, no, I’m not a sociopath, I’m genuinely asking you if you would have rather had the Nazis take all of Poland.

Oh, it all makes sense now, here you are denouncing Palestine Action for breaking the law in order to slow down genocide. You’re actually a fascist.