What was the most prevalent propaganda media form in xx century?

1.how is germany's economic system similar to that of the united kingdom a.both are free-market economic b.both are command economic c.both are mixed economic d.both are traditional economic

In what region did the industrial revolution began

Which supreme court dressed the second a. presser v. illinois b.quilici v. the village of morton grove c.united states v. cruikshank d. united states v. miller