What physical features encouraged the development of the Olmec civilization? Choose three correct answers.

rivers

rocky plains

hot, dry deserts

fertile floodplains

volcanic rock and ash

Which feature of government does montesquieu argue for in his book de l’esprit des lois (spirit of laws)?

How did the magna carta affect the power of the english king? a) it closely linked the king's power to the power of the nobles. b) it weakened the king's power. c) it strengthened the king's power. d) it had no effect on the king's power.

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.