What were the political, social and economic impacts of Communism on China?

According to thomas hobbes concept of the social contract, what do people exchange for the protection by the government?

10 points which of the following was not included in the declaration of sentiments at the seneca falls convention? a) women's right to practice religion freely b) women's right to be guardians of their own children c) women's right to own property d) women's right to speak wherever they chooseth

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.