How did the government attempt to shape public opinion during the cold war?

According to jean-jaquees rousseau, individuals participating in a social contact agree to be ruled by

Was the civil war inevitable? could anything have been done through compromise to stop it, or did it have to happen?

Did the spanish settlers and missions have a positive effect on world history? why, what did they do that was positive? why was the treaty of paris (1763) good for the world/world history? did the plymouth colony have a positive effect on world history? why, what did they do that was positive?