The system de las Casas describes in this passage is known as: A: pinturas de castas
B:chivalry
C: encomienda
D:checks and balances​

Kennedy singles out one group of countries that the united states will defend against any attacker what countries are they

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.

What does channing say that americans boast about