Who was Leonid Brezhnev, and what role did he hold in the Soviet Union?
1) The Leader of Russia at the time of the disintegration of the USSR
2) The leader of the Soviet Union from 1964 to 1982
3) The founder of the Soviet space program
4) A prominent scientist in nuclear physics

Choose the correct answer from the given options:

2

Leonid Brezhnev was the leader of the Soviet Union from 1964 to 1982.

Leonid Brezhnev, who led the Soviet Union from 1964 to 1982, introduced the concept of the Asian Collective Security system and played a prominent role in the détente phase of Soviet-American relations. His leadership was marked by significant international events, including the suppression of a popular rebellion in Czechoslovakia and the controversial invasion of Afghanistan. During his tenure, he sought to shape global security policies and played a key role in Soviet foreign affairs.