Radio made America into a land of listeners, entertaining and educating, angering and delighting, and joining every age and class into a common culture.
It was a use of communication.And helped by letting people communicate faster and easier, it made lives of the people more convenient and helped out with military and was a dot-dash code, for example...
Well, it definitely made it easier to travel. But it also gave the world another way to pollute the earth, unless you own a Battery-based car. I hope this helped someone :)
It helped better the communication for people across long distances. It also better moved information from big cities, to smaller communities. In effect, it brought unity.
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