Question: What was the planned, first devised by Raivis Zeltits, to form a federation of Central and Eastern European countries after World War I?
Sentence (from "Flight and expulsion of Germans (1944–50)"): During the later stages of World War II and the post-war period, German citizens and people of German ancestry were expelled from various Eastern European countries and sent to the remaining territory of Germany and Austria.
Relevant evidence: No