Montesquieu presented an idea for how to organize representatives government this is known as?

Which plan proposed to maintain open trade between china and western nations? open door policy national sovereignty missionary diplomacy salutary neglect

What are two effects of the lack of representation of the third estate in the estates-general? two answers

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.