 Complete the following phrase:  Thanks to the strongly held Catholic faith in the Eichsfeld, particularly in Holungen, the SED found it difficult to get a foothold in the area. Nevertheless, the GDR controlled everything. The situation was made worse by the proximity of Holungen to the Grenzsperrgebiet, the closed military exclusion zone that ran along the East German side of the border with the West. The neighbouring villages of Brehme and Jützenbach were located within this zone. This zone, part of a complex 