Answer:
The Soviet Union began to secretly install missiles in Cuba to launch attacks on U.S. cities
Explanation:
<span>Greeks lived in independent sity-states
like Athens, Sparta, Thebes and others. For a long time, there was
rivalry among these states that led to Spartan hegemony and then a short
lived Thebes hegemony.</span>
The Caddoes, The Coahuiltecans, The Karankawas, The Wichitas thats all i know.
To contain communism, thinking was Vietnam went comunist it would spread more globally.