USA HISTORY

Detailed explanation-1: -Berlin Wall, German Berliner Mauer, barrier that surrounded West Berlin and prevented access to it from East Berlin and adjacent areas of East Germany during the period from 1961 to 1989.

Detailed explanation-2: -The Berlin Wall (German: Berliner Mauer, pronounced [bɛʁˌliːnɐ ˈmaʊ̯ɐ] ( listen)) was a guarded concrete barrier that encircled West Berlin from 1961 to 1989, separating it from East Berlin and East Germany (GDR).

Detailed explanation-3: -For many years, the Berlin Wall separated East Germany from West Germany, acting as a physical barrier that symbolised the political divisions of the time.

Detailed explanation-4: -Physically separate from the more famous Berlin Wall, the Inner German border was nearly 1, 400km long and divided East and West Germany from 1949, when the Soviets established East Germany, until the border fortifications started to topple down in 1989.