What, didn't newspaper and radio existed at the time ? Didn't people pay attention to what was happening on the other side of the Channel ? The EEC had existed for 20 years, are you trying to pretend the UK electorate was dumb enough to have no idea what was the largest and closest community after 20 years of existence ?
From the very post you quoted :
And if it's "scaremongering" to explain to people they'll join an entity that is about peace and co-prosperity and common governance, then it doesn't speak very well of their fears, and it's another proof they really weren't interested in the EU to begin with.
If "federalism" is enough to be classified of "scaremongering"... Just wow.
Ah yeah, the Illuminati strike back, it's all a conspiracy !