Which of the following statements is FALSE?
a.
Northerners felt that slavery caused lower wages for white workers.
b.
The anti-slavery movement was supported by most Northerners.
c.
Northerners felt that slavery should be illegal, in part, because it provided no way for African Americans to spend money in the economy.
d.
Northerners wanted to secede from the Union over slavery, but the South beat them to it.

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.