(state) with the Federal Republic of Germany (FRG, or West Germany). West Berlin’s isolation was later bolstered by the concrete barrier erected in 1961 and often known as the Berlin Wall. Its status being an enclave built Berlin a continuous concentration of confrontation between the Jap and Western powers in https://chippz.de/sicherheitsdienst-berlin-ihr-verlasslicher-partner-fur-schutz-und-sicherheit/