How did ida tarbell end the standard oil monopoly?
she wrote a book on standard oil’s impact on different industries.
she led a campaign that was against standard oil but in favor of rockefeller.
she wrote a series of articles exposing the corruption of standard oil.
she reported on one instance of suspicious actions by standard oil.

Which of the following two groups did not do battle with the romans? select all that apply.

Which is proper hierarchy or leadership roles in the senate from lowest to highest

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.