 Complete the following phrase:  The FDGB was closely integrated into the countrys power structure, and after the 3rd FDGB Congress, which took place in 1950, Groh-Kummerlöw became responsible for the organisations Worker Supply Department. The issue of worker supply was important nationally in the context of a desperate shortage of workers, following the large-scale slaughter of the war and the continuing haemorrhage of working age citizens across the still relatively porous 