How did Leonid Brezhnev demonstrate his use of the Brezhnev Doctrine?

A. by signing the SALT treaties
B. by abandoning the space race
C. by curbing military spending
D. by sending Soviet troops to Afghanistan

bibliography and citations to credit the sources hope this you if not my deepest of apologize ^w^

geography

this is because warmer climates often don't get people sick from the flu and regions where it was often colder more people received the flu. hope this if you need more reasoning i am here to