During the period, the "rise of democracies in most of Latin America" was not an effect of "proxy wars".
<u>EXPLANATION:</u>
Proxy wars is defined as battle between 2 state or not necessarily sates in which other parties can, maybe part of it and getinvolved in the hostilities.
Basically, countries who use third part party to fight for them is usually known as proxy war. During the age of Cold war, "US and the Soviet Union" used proxy during the battle.
Sometimes they were punished and then killed brutally and left for everyone to see in public as an example of what would happen if they believed in anything different.