Short answers, pulled from the story.
Adolf Hitler first proclaimed a European New Order in a speech on the 30th of January 1941. This declaration marked the public articulation of plans that had been developing since before World War II began.
The concept relied heavily on pseudo-scientific racial theories to justify German dominance over Europe with the Aryan race at the top of the hierarchy. Other groups were labeled Untermenschen or subhuman including Jews, Romani people, and most Slavic peoples like Poles and Russians.
Short-term plans included integrating Inner Rhineland border areas and the Ruhr with annexed Alsace-Lorraine, Eupen-Malmedy, Saarland, and Luxembourg. Long-term goals extended to Switzerland, Burgundy, Savoy, and the establishment of an annexation of the Westland to Nazi Germany in Gau Westmark.
Implementation of the long-term plan for the New Order began on the 22nd of June 1941 with Operation Barbarossa the invasion of the Soviet Union. The goal was not merely destruction of the Soviet regime but racial reorganization of European Russia outlined in the Generalplan Ost.
Himmler encountered considerable difficulties with Volksdeutsche of France and Luxembourg who often wished to retain citizenship status while hundreds of thousands of Poles and French living in these lands were transferred across borders. At end of 1942 a total of 629,000 Volksdeutsche had been re-settled while preparations for transfer of 393,000 others were underway.