As a result of 207 years of Pax Romana, the Roman Empire A) experienced continuing hostilities among neighboring regions
B) experienced peace and prosperity
C) shrank in size and wealth
D) survived invasions from barbarian tribes

True or false plebeians were the highest social class in ancient rome

What militaristic words does henry use when making his argument? how do they impact the effectiveness of his speech?

The rise of advertising in the 1920s. i am good with seeing how advertisements shape the roaring twenties and how it developed a new way of life through modern days. but i am not sure what the details of advertising in the 1920s were. if possible can you send me links (preferrably credential links) to sources that maybe show like the first company to start advertising through the radio, how advertising benefits (statistics graphs), etc.