What are your thought on lobbyists? How do they help and how are they a good thing?

The symbols found on the map below indicate where fossils have been found in the same layer of sediment. each unique symbol represents fossil locations of a particular species.

Which groups of people most directly benefited from song innovations in the song dynasty‘s open border policy?

According to the aztec history, how did the aztecs know where to build their new city of tenochtitlan? why was this a good location?