Which political leader proposed Asian Collective Security System?

Leonid Brezhnev

The correct answer is Option (2) → Leonid Brezhnev

Leonid Brezhnev(1906-82) : Leader of the Soviet Union (1964- 82); proposed Asian Collective Security system; associated with the détente phase in relations with the US; involved in suppressing a popular rebellion in Czechoslovakia and in invading Afghanistan.