Which was an important affect of the soviet union sputnik launch

During the cold war, which of the following groups of countries would have all been"behind the iron curtain"

In a modern democracy all elected officials serve for a certain number of terms then must retire a high school sophomore and a senior citizen may vote at the polls together a united states senator votes on immigration law on behalf of your mother through indirect ballot all democracies have a two chamber system of representation united states citizens live in a direct democracy

Why did many american fear communist