He u. s. congress refused to ratify the treaty of versailles (1919) because

What words or phrases does marx use to indicate that marxist communism has international and worldwide goals

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.

Moral principles is what ? a. appreciation b. tariff c. fiscal d. ethics