 Complete the following phrase:  Due to growing debts, the SPAP came under government control between 1939 and 1940. During the Axis occupation of Greece 1941-44, Athens was controlled by German military fourses, and the line used for the transport of troops and weapons. During the occupation and especially during German withdrawal in 1944, the network was severely damaged by both the German army and Greek resistance groups. The track and rolling stock replacement took time following the 