History of Germany (1945–90) eventually hundreds of thousands of people in several cities—particularly in Leipzig—continued to grow. On 7 October, the Soviet leader Mikhail Gorbachev visited Berlin to celebrate the 40th anniversary of the establishment of East Germany and urged the East German leadership to pursue reform, without success. The movement of civil resistance against the East German regime—both the emigration and the demonstrations—continued unabated. On 18 October, Erich Honecker was forced to resign as head of the SED and as head of state and was replaced by Egon Krenz. But the exodus continued unabated, and pressure for political reform mounted. On 4 November,
Erich Honecker and the Ministry for State Security raised its efforts to suppress political resistance. Honecker remained committed to the expansion of the Inner German border and the "order to fire" policy along it. During his time in office around 125 East German citizens were killed while trying to reach the West. Although Honecker remained loyal to the Soviet Union by renouncing the objective of a unified Germany and adopting the "defensive" position of ideological "Abgrenzung" (demarcation), he signed the Basic Treaty between East and West Germany in 1972 which sought to normalise relations between the nations. East Germany also participated in