How did leonid brezhnev demonstrate his use of the brezhnev doctrine?
-by signing the salt treaties
-by abandoning the space race
-by curbing military spending
-by sending soviet troops to afghanistan

brainliest is someone you pick by simply clicking a button. it only shows up if there are two people that answered your question, then you decide who answer more accurately with detail and explanation and you give that person the title "brainliest".

i hope this your understandings.

answer; i believe the correct answer is (favorable balance);