What Was the Major Hallmark of Leonid Brezhnev's Foreign Policy

What was the major hallmark of Leonid Brezhnev's foreign policy in the 1960s and 1970s?

A) He pushed for and openly advocated international anti-Semitism.
B) He implemented a foreign policy to retain worldwide communist gains.
C) He wanted to loosen the controls on the Soviet satellites.
D) He was determined to "humanize" the Party bureaucracy.
E) He led the reformation of the command economy to end stagnation.