What is a key part of global trade today that allows for growth and diversity?

a: tariffs and taxes

b: free trade

c: colonialism

d: trade wars

i need ..

Which of the following could be described as a conservative reaction against the ideas of the jazz age

What can you conclude was a benefit of living a more settled life for prehistoric man? a. more food choices b. more freedom c. less work d. simpler lifestyle !

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.