Do you think our Constitution created a government that can guard against tyranny? Yes or no?

What was the main aim of operation torch which was launched by the allies

Prior to which amendment were slaves counted as three-fifths of a personality

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.